偏硼酸钠

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 安全信息
  • 毒理性
  • MSDS
  • 上游产品
  • 下游产品
  • 表征图谱

偏硼酸钠 基本信息

中文名称:
偏硼酸钠 
中文别名:
偏硼酸钠;
Sodium hydrosulphite;
Sodium dithionite;
disodium dithionite;
Sodium hydrosulfite;
CALCIUM CHLORIDE 6H2O;
CALCIUM CHLORIDE-6-HYDRATE (MAX. 0,0001 % AL), EXTRA PURE, DAB, PH. EUR., PH. FR;
calcium chloride hydrate (1:2:6);
Calcium chloride hexahydrate;
Tin(II) chloride;
betz 0235;
sulfurothioic O,O-acid;
hydrogen sulfurothioate;
Sodium thiosulfate;
Sulfuric acid, copper(2+) salt (1:1) pentahydrate;
sulfuric acid, copper (2+) salt, pentahydrate 
英文名称:
Sodium metaborate
英文别名:
sodium metaborate;
sodium boranoate;
Sodium dioxoborate;
Sodium borate(1-);
Rasorite;
Sodium metaborate;
Borosoap;
Kodalk;
SODIUMBORATES;
NaBO2;
Sodiooxyboron oxide;
SODIUM MONOBORATE;
sodium boranate 
CAS No.:
7775-19-1
分 子 式:
BHO2.Na
分 子 量:
65.80
精确分子量:
65.99000
PSA:
40.13000
EINECS:
231-891-6
InChI:
InChI=1/BO2.Na/c2-1-3;/q-1;+1
分子结构式:
SDS:
查看

偏硼酸钠 制备方法及用途

制备方法

制法 如果将四水合物置于真空干燥器中,即可得到半水合物。进一步将半水合物在盛有五氧化二磷的真空干燥器中加热至200℃,即可得到无水物。将碳酸钠与硼酸的等摩尔混合物在铂皿中缓缓加热,至最后熔融,然后,将熔融物冷却,即可得到结晶块产物。

合成制备方法

制法 如果将四水合物置于真空干燥器中,即可得到半水合物。进一步将半水合物在盛有五氧化二磷的真空干燥器中加热至200℃,即可得到无水物。将碳酸钠与硼酸的等摩尔混合物在铂皿中缓缓加热,至最后熔融,然后,将熔融物冷却,即可得到结晶块产物。

用途简介

用作分析试剂、防腐剂。

用途

用作分析试剂、防腐剂。

偏硼酸钠 物化性质

外观与性状:
白色片状或粉末无气味的
密度:
2.464
熔点:
966ºC
沸点:
1434ºC
其它信息:

1.性状:无色六方晶系结晶。

2.相对密度:2.46。

3.熔点(℃):966。

4.溶解度:溶于水。

偏硼酸钠 安全信息

海关代码:
2840200000

偏硼酸钠 毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ED4640000
CHEMICAL NAME :
Boric acid, monosodium salt
CAS REGISTRY NUMBER :
7775-19-1
LAST UPDATED :
199710
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
B-H-O2.Na
MOLECULAR WEIGHT :
66.81

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 :
2330 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,88,1991 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80073 No. of Facilities: 3745 (estimated) No. of Industries: 33 No. of Occupations: 27 No. of Employees: 10520 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80073 No. of Facilities: 8275 (estimated) No. of Industries: 63 No. of Occupations: 56 No. of Employees: 68763 (estimated) No. of Female Employees: 13782 (estimated)

偏硼酸钠 MSDS

Name: Sodium metaborate tetrahydrate p.a. Material Safety Data Sheet
Synonym: None
CAS: 7775-19-1
Section 1 - Chemical Product   MSDS Name:Sodium metaborate tetrahydrate p.a. Material Safety Data Sheet
Synonym:None

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
7775-19-1 Sodium metaborate tetrahydrate 100 unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid breathing dust.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 7775-19-1: CAS# 10555-76-7: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Powder
Color: white granular
Odor: Not available.
pH: alkaline in water
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 57 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature:
Solubility in water: soluble
Specific Gravity/Density:
Molecular Formula: BNaO2.4H2O
Molecular Weight: 137.86

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
No significant incompatibilities identified with common materials and contaminants..
Hazardous Decomposition Products:
No data available.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 7775-19-1: ED4640000 CAS# 10555-76-7 unlisted.
LD50/LC50:
CAS# 7775-19-1: Oral, rat: LD50 = 2330 mg/kg.
CAS# 10555-76-7.
Carcinogenicity:
Sodium metaborate anhydrous - Not listed by ACGIH, IARC, or NTP.
Sodium metaborate tetrahydrate - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 7775-19-1: 1
CAS# 10555-76-7: No information available.
Canada
CAS# 7775-19-1 is listed on Canada's DSL List.
CAS# 7775-19-1 is not listed on Canada's Ingredient Disclosure List.
CAS# 10555-76-7 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7775-19-1 is listed on the TSCA inventory.
CAS# 10555-76-7 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).


SECTION 16 - ADDITIONAL INFORMATION
N/A

偏硼酸钠 表征图谱

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