铬酸锶

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 安全信息
  • 毒理性
  • MSDS
  • 结构与计算化学

铬酸锶 基本信息

中文名称:
铬酸锶 
中文别名:
铬酸锶;
C.I.颜料黄 32;
锶黄;
801永固柠檬黄 
英文名称:
Chromic acid (H2CrO4),strontium salt (1:1)
英文别名:
Strontium chromate;
strontium,dioxido(dioxo)chromium 
CAS No.:
7789-06-2
分 子 式:
CrH2O4.Sr
分 子 量:
203.61
精确分子量:
203.82600
PSA:
80.26000
EINECS:
232-142-6
InChI:
InChI=1/Cr.4O.Sr/q;;;2*-1;+2/rCrO4.Sr/c2-1(3,4)5;/q-2;+2
危险品标志:
N
风险术语:
R22R45R36/38
安全术语:
S45S53S60S61
分子结构式:
SDS:
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铬酸锶 制备方法及用途

制备方法

合成法

合成制备方法

1.合成法

将26.2g(0.1mol)重铬酸钠溶于150ml水中配成重铬酸钠水溶液。另将10.6g (0.1mol)碳酸钠溶于100ml水中配成水溶液。搅拌下将上述两种溶液混合反应,生成铬酸钠溶液。称取31.8g(0.2mol)氯化锶溶于160ml水中配成氯化锶溶液,然后在搅拌下将其加入制备好的铬酸钠溶液中,升温至45~50℃,搅拌20min,过滤、水洗、干燥、粉碎。

2.由氯化锶与铬酸钾共熔,用水浸洗制得。

3.将硝酸锶(或氯化锶)热溶液加到沸腾的铬酸钠溶液中(铬酸钠稍过量),于80~90℃反应2~3h,沉淀滤洗、烘干、粉碎即得。

用途简介

无机黄色颜料,主要用于制造高温涂料,有色金属的防锈底漆,也用于塑料、橡胶的着色以及各种拼色,也可用于玻璃、陶瓷、油墨工业。由于热稳定性高,用于航空工业,在剧烈的气候变化和较高的表面温度下,能获得良好的阻蚀效果。

用途

1.无机黄色颜料,主要用于制造高温涂料,有色金属的防锈底漆,也用于塑料、橡胶的着色以及各种拼色,也可用于玻璃、陶瓷、油墨工业。由于热稳定性高,用于航空工业,在剧烈的气候变化和较高的表面温度下,能获得良好的阻蚀效果。

2.由于三氧化铬含量在40%以上,常用于轻金属防锈底漆。用于制造耐高温涂料、防锈底漆。用于塑料和橡胶制品的着色,以及各种拼色。也用于油墨、玻璃、陶瓷工业。用做颜料中的缓蚀剂。

3.用作防锈颜料,用于保护涂层及装饰涂层,用作绘画颜料及乙烯基树脂的着色剂。

铬酸锶 物化性质

外观与性状:
黄色粉末
密度:
3.895
存储条件/存储方法:

应贮存在阴凉、通风、干燥的库房内。

稳定性相关:

如果遵照规格使用和储存则不会分解。溶于盐酸、硝酸、乙酸和氨水,微溶于水。耐热性好,可达 400 ℃。耐光性 4~5级。着色力弱。油渗性为1级。耐酸性和耐碱性为3级。具有较好的防锈性能。有毒!

微溶于冷水,易溶于稀盐酸、硝酸、醋酸和铵盐溶液,溶于沸水。有防腐蚀性能,能抗热和光的作用。

其它信息:

1.      性状:亮黄色粉末。单斜晶系。

2.      密度(g/mL 25ºC):3.895

3.      相对蒸汽密度(g/mL,空气=1):未确定

4.      熔点(ºC):未确定

5.      沸点(ºC,常压):未确定

6.      沸点(ºC,5.2kPa):未确定

7.      折射率(n20/D):未确定

8.      闪点(ºC,):未确定

9.      比旋光度(º):未确定

10.   自燃点或引燃温度(ºC):未确定

11.   蒸气压(kPa,25ºC):未确定

12.   饱和蒸气压(kPa,60ºC):未确定

13.   燃烧热(KJ/mol):未确定

14.   临界温度(ºC):未确定

15.   临界压力(KPa):未确定

16.   油水(辛醇/水)分配系数的对数值(25℃):未确定

17.   爆炸上限(%,V/V):未确定

18.   爆炸下限(%,V/V):未确定

19.   溶解性(mg/mL):溶于盐酸、硝酸、醋酸、铵盐。微溶于水

铬酸锶 安全信息

包装等级:
III
风险类别:
5.1
危险类别码:
45-22-50/53
安全说明:
S53-S45-S60-S61
安全标志:
S45:出现意外或者感到不适,立刻到医生那里寻求帮助(最好带去产品容器标签)。
S53:避免暴露——使用前先阅读专门的说明。
S60:本物质残余物和容器必须作为危险废物处理。
S61:避免排放到环境中。参考专门的说明/安全数据表。
危险标志:
T,N

铬酸锶 毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GB3240000
CAS REGISTRY NUMBER :
7789-06-2
LAST UPDATED :
199712
DATA ITEMS CITED :
45
MOLECULAR FORMULA :
Cr-O4.Sr
MOLECULAR WEIGHT :
203.62
WISWESSER LINE NOTATION :
SR CR-O2-Q2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3118 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intratracheal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
16600 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
>1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intratracheal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
40 mg/kg/34W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Tumorigenic - tumors at site of application
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Implant
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
125 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 156,219,1985 *** REVIEWS *** ACGIH TLV-Suspected human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-STEL 0.0005 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,205,1980 IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 23,205,1980 IARC Cancer Review:Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 IARC Cancer Review:Group 1 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 49,49,1990 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,35,1971 OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.5 mg/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 0.5 mg/m3 JAN 1993 OEL-DENMARK:TWA 0.5 mg/m3 JAN 1993 OEL-FINLAND:TWA 0.5 mg/m3 JAN 1993 OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE:TWA 0.05 mg/m3;Carcinogen JAN 1993 OEL-FRANCE;Skin JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-INDIA:TWA 0.5 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg/m3 JAN 1993 OEL-SWEDEN:TWA 0.5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.05 mg/m3;Carcinogen JAN 1993 OEL-THAILAND:TWA 1 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2287 No. of Facilities: 627 (estimated) No. of Industries: 19 No. of Occupations: 28 No. of Employees: 10145 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2287 No. of Facilities: 1164 (estimated) No. of Industries: 28 No. of Occupations: 36 No. of Employees: 38744 (estimated) No. of Female Employees: 2855 (estimated)
生态数据:

对水是极其危害的,若无政府许可,勿将材料排入周围环境。

铬酸锶 MSDS


Section 1. Chemical Product and Company Identification
    Strontium chromate        Catalog    
    XX219, S1678
    Common Name/
    Number(s).
    Trade Name
    CAS#        7789-06-2    
    Manufacturer
    RTECS        GB3240000    
    SPECTRUM CHEMICAL MFG. CORP.
    TSCA        TSCA 8(b) inventory:    
    Strontium chromate
    Commercial Name(s)        Not available.    
    CI# Not available.
    Synonym        Not available.    
    IN CASE OF EMERGENCY
    Not available.
    Chemical Name
    Chemical Family        Not available.        CALL (310) 516-8000    
    SrCrO4
    Chemical Formula
    SPECTRUM CHEMICAL MFG. CORP.

Section 2.Composition and Information on Ingredients
    Exposure Limits
    TWA (mg/m3)        STEL (mg/m3) CEIL (mg/m3)    
    Name        CAS #        % by Weight    
    1) Strontium chromate        7789-06-2        0.0005        100    
    Toxicological Data        Strontium chromate:    
    on Ingredients        ORAL (LD50):        Acute: 3118 mg/kg [Rat].    

Section 3. Hazards Identification
    Potential Acute Health Effects Very hazardous in case of ingestion. Hazardous in case of skin contact (irritant, permeator), of eye contact
    (irritant), of inhalation.
    Potential Chronic Health        Very hazardous in case of ingestion.    
    Hazardous in case of skin contact (irritant, permeator), of eye contact (irritant), of inhalation.
    Effects
    CARCINOGENIC EFFECTS: Classified 1 (Proven for human.) by IARC, 1 (Known.) by NTP, + (PROVEN) by
    OSHA. Classified A2 (Suspected for human.) by ACGIH.
    MUTAGENIC EFFECTS: Not available.
    TERATOGENIC EFFECTS: Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    Strontium chromate

Section 4. First Aid Measures
    Eye Contact        Check for and remove any contact lenses. Immediately flush eyes with running water for at least 15 minutes,    
    keeping eyelids open. Cold water may be used. Do not use an eye ointment. Seek medical attention.
    Skin Contact        After contact with skin, wash immediately with plenty of water. Gently and thoroughly wash the contaminated skin    
    with running water and non-abrasive soap. Be particularly careful to clean folds, crevices, creases and groin.
    Cover the irritated skin with an emollient. If irritation persists, seek medical attention. Wash contaminated
    clothing before reusing.
    Serious Skin Contact        Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek medical    
    attention.
    Inhalation        Allow the victim to rest in a well ventilated area. Seek immediate medical attention.    
    Serious Inhalation        Not available.    
    Ingestion        Do not induce vomiting. Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not    
    breathing, perform mouth-to-mouth resuscitation. Seek immediate medical attention.
    Serious Ingestion        Not available.    

Section 5. Fire and Explosion Data
    Flammability of the Product May be combustible at high temperature.
    Auto-Ignition Temperature Not available.
    Flash Points        Not available.    
    Flammable Limits        Not available.    
    Some metallic oxides.
    Products of Combustion
    Fire Hazards in Presence of Not available.
    Various Substances
    Explosion Hazards in Presence Risks of explosion of the product in presence of mechanical impact: Not available.
    of Various Substances        Risks of explosion of the product in presence of static discharge: Not available.    
    Fire Fighting Media        SMALL FIRE: Use DRY chemical powder.    
    and Instructions        LARGE FIRE: Use water spray, fog or foam. Do not use water jet.    
    Special Remarks on        Not available.    
    Fire Hazards
    Special Remarks on Explosion Not available.
    Hazards

Section 6. Accidental Release Measures
    Small Spill        Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by    
    spreading water on the contaminated surface and dispose of according to local and regional authority
    requirements.
    Large Spill
    Use a shovel to put the material into a convenient waste disposal container. Be careful that the product is not
    present at a concentration level above TLV. Check TLV on the MSDS and with local authorities.
    Strontium chromate

Section 7. Handling and Storage
    Precautions        Keep locked up Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk,    
    evaporate the residue under a fume hood. Ground all equipment containing material. Do not ingest. Do not
    breathe dust. Wear suitable protective clothing In case of insufficient ventilation, wear suitable respiratory
    equipment If ingested, seek medical advice immediately and show the container or the label. Avoid contact with
    skin and eyes
    Storage        Keep container dry. Keep in a cool place. Ground all equipment containing material. Carcinogenic, teratogenic or    
    mutagenic materials should be stored in a separate locked safety storage cabinet or room.

Section 8. Exposure Controls/Personal Protection
    Engineering Controls        Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below    
    recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to
    airborne contaminants below the exposure limit.
    Personal Protection        Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent.    
    Gloves.
    Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used
    a Large Spill        to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist    
    BEFORE handling this product.
    TWA: 0.0005 (mg/m3) from ACGIH
    Exposure Limits
    Consult local authorities for acceptable exposure limits.

Section 9. Physical and Chemical Properties
    Physical state and appearance Solid. (Powdered solid.)        Not available.    
    Odor
    Taste        Not available.    
    Molecular Weight        203.64 g/mole    
    Color        Yellowish.    
    pH (1% soln/water)        Not available.    
    Not available.
    Boiling Point
    Melting Point        Decomposes.    
    Critical Temperature        Not available.    
    3.895 (Water = 1)
    Specific Gravity
    Vapor Pressure        Not applicable.    
    Not available.
    Vapor Density
    Volatility        Not available.    
    Not available.
    Odor Threshold
    Water/Oil Dist. Coeff.        Not available.    
    Ionicity (in Water)        Not available.    
    Dispersion Properties        Not available.    
    Solubility        Very slightly soluble in cold water.    
    Strontium chromate

Section 10. Stability and Reactivity Data
    The product is stable.
    Stability
    Instability Temperature        Not available.    
    Not available.
    Conditions of Instability
    Not available.
    Incompatibility with various
    substances
    Corrosivity        Non-corrosive in presence of glass.    
    Special Remarks on        Not available.    
    Reactivity
    Special Remarks on        Not available.    
    Corrosivity
    Polymerization        No.    

Section 11. Toxicological Information
    Routes of Entry        Dermal contact. Eye contact. Inhalation. Ingestion.    
    Toxicity to Animals        Acute oral toxicity (LD50): 3118 mg/kg [Rat].    
    Chronic Effects on Humans        CARCINOGENIC EFFECTS: Classified 1 (Proven for human.) by IARC, 1 (Known.) by NTP, + (PROVEN) by    
    OSHA. Classified A2 (Suspected for human.) by ACGIH.
    Other Toxic Effects on        Very hazardous in case of ingestion.    
    Humans        Hazardous in case of skin contact (irritant, permeator), of inhalation.    
    Special Remarks on        Not available.    
    Toxicity to Animals
    Special Remarks on        Not available.    
    Chronic Effects on Humans
    Special Remarks on other        Not available.    
    Toxic Effects on Humans

Section 12. Ecological Information
    Ecotoxicity        Not available.    
    Not available.
    BOD5 and COD
    Possibly hazardous short term degradation products are not likely. However, long term degradation products may
    Products of Biodegradation
    arise.
    Toxicity of the Products        The products of degradation are more toxic.    
    of Biodegradation
    Not available.
    Special Remarks on the
    Products of Biodegradation
    Strontium chromate

Section 13. Disposal Considerations
    Waste Disposal

Section 14. Transport Information
    DOT Classification        CLASS 9: Miscellaneous hazardous material.    
    : Environmentally hazardous substance, solid, n.o.s. (Strontium chromate) : UN3077 PG: III
    Identification
    Not available.
    Special Provisions for
    Transport
    DOT (Pictograms)

Section 15. Other Regulatory Information and Pictograms
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    Federal and State
    cause cancer, birth defects or other reproductive harm, which would require a warning under the statute:
    Regulations
    Strontium chromate
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    cause cancer which would require a warning under the statute: Strontium chromate
    Pennsylvania RTK: Strontium chromate
    Massachusetts RTK: Strontium chromate
    TSCA 8(b) inventory: Strontium chromate
    SARA 313 toxic chemical notification and release reporting: Strontium chromate
    CERCLA: Hazardous substances.: Strontium chromate
    California prop. 65: This product contains the following ingredients for which the State of California has found
    California
    Proposition 65        to cause cancer which would require a warning under the statute: Strontium chromate    
    Warnings
    Other Regulations        OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).    
    Other Classifications        WHMIS (Canada) CLASS D-2A: Material causing other toxic effects (VERY TOXIC).    
    DSCL (EEC)        R36/38- Irritating to eyes and skin.    
    R45- May cause cancer.
    Health Hazard
    HMIS (U.S.A.)        2 National Fire Protection    
    1 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    2 0 Reactivity
    Health
    Reactivity
    0
    Specific hazard
    Personal Protection
    E
    WHMIS (Canada)
    (Pictograms)
    DSCL (Europe)
    (Pictograms)
    Strontium chromate
    TDG (Canada)
    (Pictograms)
    ADR (Europe)
    (Pictograms)
    Protective Equipment
    Gloves.
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or
    equivalent. Wear appropriate respirator
    when ventilation is inadequate.


SECTION 16 - ADDITIONAL INFORMATION
N/A

铬酸锶 分子结构与计算化学数据

分子结构数据

1、摩尔折射率:无可用的

2、摩尔体积(cm3/mol):无可用的

3、等张比容(90.2K):无可用的

4、表面张力(dyne/cm):无可用的

5、介电常数:无可用的

6、极化率(10-24cm3):无可用的

7、单一同位素质量:203.825787 Da

8、标称质量:204 Da

9、平均质量:203.6137 Da

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