2-甲氧基-3-甲基吡嗪

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

2-甲氧基-3-甲基吡嗪 基本信息

中文名称:
2-甲氧基-3-甲基吡嗪 
中文别名:
2-甲氧基-3-甲基吡嗪;
3-甲氧基-3-甲基吡嗪;
2-甲基-3(5/6)-甲氧基吡嗪 
英文名称:
Pyrazine,methoxymethyl-
英文别名:
2-Methoxy-3-methylpyrazine;
2-METHOXY-3-METHYLPYRAZINE, 70-90%, BALANCE 10-30% 2-METHOXY-6-METHYLPYRAZINE;
Pyrazine, methoxymethyl- 
CAS No.:
63450-30-6
分 子 式:
C6H8N2O
分 子 量:
124.14
精确分子量:
124.06400
PSA:
35.01000
EINECS:
264-168-9
危险品标志:
风险术语:
R22;R37/38;R41   
安全术语:
S26;S39
分子结构式:
SDS:
查看

2-甲氧基-3-甲基吡嗪 制备方法及用途

制备方法

由2-甲基吡嗪为起始原料制成。

用途简介

GB 2760—96规定为允许使目的食用香料。主要用以配制榛子、杏仁和花生等型香精。

2-甲氧基-3-甲基吡嗪 物化性质

外观与性状:
无色液体
密度:
1.08
沸点:
62ºC (16 mmHg)
闪点:
71ºC
折射率:
1.5055-1.5075
存储条件/存储方法:

 

 密闭于阴凉干燥环境中

稳定性相关:

 

遵照规定使用和储存则不会分解。

其它信息:

1.       性状:无可用

2.       密度(g/mL,25/4):1.08

3.       相对蒸汽密度(g/mL,空气=1):无可用

4.       熔点(ºC):无可用

5.       沸点(ºC,常压): 62 /16 mmHg

6.       沸点(ºC,5.2kPa):无可用

7.       折射率:1.5055-1.5075

8.       闪点(ºC):71

9.       比旋光度(º):无可用

10.    自燃点或引燃温度(ºC):无可用

11.    蒸气压(kPa,25ºC):无可用

12.    饱和蒸气压(kPa,60ºC):无可用

13.    燃烧热(KJ/mol):无可用

14.    临界温度(ºC):无可用

15.    临界压力(KPa):无可用

16.    油水(辛醇/水)分配系数的对数值:无可用

17.    爆炸上限(%,V/V):无可用

18.    爆炸下限(%,V/V):无可用

19.    溶解性:无可用

2-甲氧基-3-甲基吡嗪 安全信息

海关代码:
2933990090
危险类别码:
R22;R37/38;R41
安全说明:
S26-S39
安全标志:
S26:万一接触眼睛,立即使用大量清水冲洗并送医诊治。
S39:佩戴眼/面防护装置。
危险标志:
Xn:Harmful;

2-甲氧基-3-甲基吡嗪 毒理性

生态数据:

 

该物质对环境可能有危害,对水体应给予特别注意。

2-甲氧基-3-甲基吡嗪 MSDS

Name: 2-Methyl-3-Methoxypyrazine 70-90% Balance 10-30% Material Safety Data Sheet
Synonym: None Known
CAS: 63450-30-6
Section 1 - Chemical Product   MSDS Name:2-Methyl-3-Methoxypyrazine 70-90% Balance 10-30% Material Safety Data Sheet
Synonym:None Known

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
63450-30-6 2-Methyl-3-Methoxypyrazine 70-90 264-168-9
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. May cause chemical conjunctivitis and corneal damage.
Skin:
May cause skin irritation. May cause cyanosis of the extremities.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Aspiration may lead to pulmonary edema. Inhalation at high concentrations may cause CNS depression and asphixiation.
Chronic:
Effects may be delayed.

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:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. 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. Do NOT use mouth-to-mouth resuscitation.
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. Use water spray to keep fire-exposed containers cool. Combustible liquid.
Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. Containers may explode when heated.
Runoff from fire control or dilution water may cause pollution.
Extinguishing Media:
Use water spray to cool fire-exposed containers. Use foam, dry chemical, or carbon dioxide. Use agent most appropriate to extinguish fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use only in a well-ventilated area.
Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed.
Keep away from heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Storage:
Keep away from sources of ignition. 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# 63450-30-6: 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 a chemical apron. 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: Clear liquid
Color: colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 62 deg C @ 16.00mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 71 deg C ( 159.80 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: insoluble
Specific Gravity/Density: 1.0800g/cm3
Molecular Formula:
Molecular Weight:

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat.
Incompatibilities with Other Materials:
Oxidizing agents Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 63450-30-6 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2-Methyl-3-Methoxypyrazine - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

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# 63450-30-6: No information available.
Canada
CAS# 63450-30-6 is listed on Canada's DSL List.
CAS# 63450-30-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 63450-30-6 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

2-甲氧基-3-甲基吡嗪 海关数据

中国海关编码:2933990090

概述:
2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素:
品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
摘要/Summary:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2-甲氧基-3-甲基吡嗪 分子结构与计算化学数据

分子结构数据

1、   摩尔折射率:33.93

2、   摩尔体积(m3/mol):116.1

3、   等张比容(90.2K):289.8

4、   表面张力(dyne/cm):38.7

5、   极化率10-24cm3):13.45

计算化学数据

1、   疏水参数计算参考值(XlogP):-0.5

2、   氢键供体数量:0

3、   氢键受体数量:3

4、   可旋转化学键数量:2

5、   拓扑分子极性表面积(TPSA):35

6、   重原子数量:9

7、   表面电荷:0

8、   复杂度:77.5

9、   同位素原子数量:0

10、   确定原子立构中心数量:0

11、   不确定原子立构中心数量:0

12、   确定化学键立构中心数量:0

13、   不确定化学键立构中心数量:0

14、   共价键单元数量:1

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