焦碳酸二甲酯

  • 基本信息
  • 物化性质
  • 安全信息
  • 毒理性
  • MSDS
  • 海关数据
  • 结构与计算化学
  • 上游产品
  • 下游产品

焦碳酸二甲酯 基本信息

中文名称:
焦碳酸二甲酯
中文别名:
焦碳酸二甲酯;
二碳酸二甲酯
英文名称:
Dicarbonic acid,C,C'-dimethyl ester
英文别名:
Dimethyl dicarbonate;
DMPC Dimethyl pyrocarbonate Pyrocarbonic acid dimethyl ester;
methoxycarbonyl methyl carbonate
CAS No.:
4525-33-1
分 子 式:
C 4H 6O 5
分 子 量:
134.09
精确分子量:
134.02200
PSA:
61.83000
MDL:
MFCD00008419
EINECS:
224-859-8
BRN:
956715
InChI:
InChI=1/C4H6O5/c1-7-3(5)9-4(6)8-2/h1-2H3
风险术语:
R21/22; R23; R34;
安全术语:
S18; S26; S28; S36/37/39; S38; S45;
分子结构式:
SDS:
查看

焦碳酸二甲酯 物化性质

密度:
1.242g/cm3
熔点:
15-17ºC
沸点:
171.4ºC at 760mmHg
闪点:
80ºC
折射率:
n20/D 1.392(lit.)
存储条件/存储方法:
库房通风低温干燥,与食品原料分开储运
稳定性相关:

如果遵照规格使用和储存则不会分解,未有已知危险发生

避免强氧化剂,强碱

其它信息:

1.性状:无色液体

2.密度(g/mL at 25°C1.25

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,5mmHg):45-46

7.折射率(n20/D):未确定

8.闪点(ºC):80

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(mmHg,37ºC):未确定

12.饱和蒸气压(kPa,114.4 ºC):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(MPa):未确定

16.油水(辛醇/水)分配系数的对数值: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:未确定

焦碳酸二甲酯 安全信息

包装等级:
II
风险类别:
6.1(a)
海关代码:
2920909090
危险类别码:
R21/22
安全说明:
18-26-28-36/37/39-38-45
安全标志:
S18:搬运及打开容器时要当心。
S26:万一接触眼睛,立即使用大量清水冲洗并送医诊治。
S28:接触皮肤之后,立即使用大量皂液洗涤。
S38:在通风不良的场所,佩戴合适的呼吸装置。
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)。
:
危险标志:
T

焦碳酸二甲酯 毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :
HT0362500
CHEMICAL NAME :
Dicarbonic acid,dimethyl ester
CAS REGISTRY NUMBER :
4525-33-1
LAST UPDATED :
199806
DATA ITEMS CITED :
3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LC50 - Lethal concentration,50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
711 mg/m3/4H
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - tremor Lungs,Thorax,or Respiration - dyspnea
REFERENCE :
NTIS** National Technical Information Service.(Springfield,VA 22161) Formerly U.S.Clearinghouse for Scientific & Technical Information.Volume(issue)/page/year: OTS0545284 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
50 mg/m3/6H/5D-I
TOXIC EFFECTS :
Lungs,Thorax,or Respiration - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
REFERENCE :
NTIS** National Technical Information Service.(Springfield,VA 22161) Formerly U.S.Clearinghouse for Scientific & Technical Information.Volume(issue)/page/year: OTS0545284
毒理学数据:

1 急性毒性:大鼠吸入LC50711 mg/m3/4H

焦碳酸二甲酯 MSDS


Section 1.Chemical Product and Company Identification
Dimethyl Dicarbonate
Common Name/
Trade Name
Manufacturer
Commercial Name(s)
Synonym
Chemical Name
Chemical Family
Dimethyl Dicarbonate

Section 4.First Aid Measures
Eye Contact        Check for and remove any contact lenses.In case of contact,immediately flush eyes with plenty of water for at
least 15 minutes.Get medical attention.
Skin Contact        In case of contact,immediately flush skin with plenty of water.Cover the irritated skin with an emollient.Remove
contaminated clothing and shoes.Wash clothing before reuse.Thoroughly clean shoes before reuse.Get
medical attention.
Serious Skin Contact        Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream.Seek immediate
medical attention.
Inhalation        If inhaled,remove to fresh air.If not breathing,give artificial respiration.If breathing is difficult,give oxygen.Get
medical attention immediately.
Serious Inhalation        Not available.
Ingestion        Do NOT induce vomiting unless directed to do so by medical personnel.Never give anything by mouth to an
unconscious person.If large quantities of this material are swallowed,call a physician immediately.Loosen tight
clothing such as a collar,tie,belt or waistband.
Serious Ingestion        Not available.

Section 5.Fire and Explosion Data
Flammability of the Product Combustible.
Auto-Ignition Temperature Not available.
Flash Points        CLOSED CUP: 80°C (176°F).
Flammable Limits        Not available.
Products of Combustion        These products are carbon oxides (CO,CO2).
Fire Hazards in Presence of Flammable in presence of open flames and sparks,of heat.
Various Substances        Non-flammable in presence of shocks.
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        Absorb with an inert material and put the spilled material in an appropriate waste disposal.
Large Spill        Combustible material.
Keep away from heat.Keep away from sources of ignition.Stop leak if without risk.If the product is in its solid
form: Use a shovel to put the material into a convenient waste disposal container.If the product is in its liquid
form: Absorb with an inert material and put the spilled material in an appropriate waste disposal.Finish cleaning
by spreading water on the contaminated surface and allow to evacuate through the sanitary system.
Dimethyl Dicarbonate

Section 7.Handling and Storage
Precautions        Keep locked up..Keep away from heat.Keep away from sources of ignition.Ground all equipment containing
material.Do not ingest.Do not breathe gas/fumes/ vapor/spray.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.Keep away from incompatibles such as
oxidizing agents,alkalis.
Storage        Air sensitive.Moisture sensitive Keep container in a cool,well-ventilated area.Keep container tightly closed and
sealed until ready for use.Avoid all possible sources of ignition (spark or flame).Refrigerate.Do not store above
4°C (39.2°F).

Section 8.Exposure Controls/Personal Protection
Engineering Controls        Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their
respective threshold limit value.Ensure that eyewash stations and safety showers are proximal to the
work-station location.
Personal Protection        Splash goggles.Lab coat.Vapor respirator.Be sure to use an approved/certified respirator or equivalent.
Gloves.
Personal Protection in Case of Splash goggles.Full suit.Vapor respirator.Boots.Gloves.A self contained breathing apparatus should be
a Large Spill        used to avoid inhalation of the product.Suggested protective clothing might not be sufficient;consult a specialist
BEFORE handling this product.
Exposure Limits        Not available.

Section 9.Physical and Chemical Properties
Physical state and appearance Liquid.        Odor        Not available.
Taste        Not available.
Not available.
Molecular Weight
Color        Colorless.
pH (1% soln/water)        Not available.
45.5°C (113.9°F)
Boiling Point
Melting Point        16°C (60.8°F)
Not available.
Critical Temperature
Specific Gravity        1.254 (Water = 1)
Vapor Pressure        Not available.
Vapor Density        Not available.
Volatility        Not available.
Odor Threshold        Not available.
Water/Oil Dist.Coeff.        Not available.
Not available.
Ionicity (in Water)
Dispersion Properties        Not available.
Solubility        Not available.
Dimethyl Dicarbonate

Section 10.Stability and Reactivity Data
The product is stable.
Stability
Instability Temperature        Not available.
Heat,ignition sources (sparks,flames),air,moisture,incompatible materials
Conditions of Instability
Reactive with oxidizing agents,alkalis.
Incompatibility with various
substances
Corrosivity        Not available.
Special Remarks on        Air sensitive.Moisture sensitive
Reactivity
Special Remarks on        Not available.
Corrosivity
Polymerization        Will not occur.

Section 11.Toxicological Information
Routes of Entry        Absorbed through skin.Eye contact.Inhalation.
Toxicity to Animals        Acute oral toxicity (LD50): 260 mg/kg [Rat].
Chronic Effects on Humans Not available.
Other Toxic Effects on        Hazardous in case of skin contact (irritant),of ingestion,of inhalation.
Humans
Special Remarks on        Not available.
Toxicity to Animals
Special Remarks on        Not available.
Chronic Effects on Humans
Special Remarks on other        Acute Potential Health Effects:
Toxic Effects on Humans        Skin: Causes skin irritation.
Eyes: Exposure to vapor or mist will cause eye irritation.
Inhalation: Inhalationi of vapor or mist may be irritating to mucous membranes and upper respiratory tract.May
affect behavior/central nervous system.Symptoms may include somnolence,tremor.May also affect respiratory
system (dyspnea),and metabolism
Ingestion: May cause gastrointestinal tract irritation.
The toxicological properties of this substance have not been fully investigated.

Section 12.Ecological Information
Ecotoxicity        Not available.
BOD5 and COD        Not available.
Products of Biodegradation        Possibly hazardous short term degradation products are not likely.However,long term degradation products may
arise.
Toxicity of the Products        The products of degradation are less toxic than the product itself.
of Biodegradation
Special Remarks on the        Not available.
Products of Biodegradation
Dimethyl Dicarbonate

Section 13.Disposal Considerations
Waste Disposal        Waste must be disposed of in accordance with federal,state and local environmental
control regulations.

Section 14.Transport Information
DOT Classification        Not a DOT controlled material (United States).
Not applicable.
Identification
Not applicable.
Special Provisions for
Transport
DOT (Pictograms)

Section 15.Other Regulatory Information and Pictograms
TSCA 8(b) inventory: Dimethyl Dicarbonate
Federal and State
Regulations
California
Proposition 65
Warnings
Other Regulations        OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances.
WHMIS (Canada) Not controlled under WHMIS (Canada).
Other Classifications
DSCL (EEC)        R22- Harmful if swallowed.        S1/2- Keep locked up and out of the reach of
R23- Toxic by inhalation.        children.
R36/38- Irritating to eyes and skin.        S45- In case of accident or if you feel unwell,
seek medical advice immediately (show the
label where possible).
S46- If swallowed,seek medical advice
immediately and show this container or label.
Health Hazard
HMIS (U.S.A.)        2 National Fire Protection
2 Flammability
2 Association (U.S.A.)
Fire Hazard
2 0 Reactivity
Health
Reactivity
0
Specific hazard
Personal Protection
h
WHMIS (Canada)
(Pictograms)
DSCL (Europe)
(Pictograms)
Dimethyl Dicarbonate
TDG (Canada)
(Pictograms)
ADR (Europe)
(Pictograms)
Protective Equipment
Gloves.
Lab coat.
Vapor respirator.Be sure to use an
approved/certified respirator or
equivalent.


SECTION 16 - ADDITIONAL INFORMATION
N/A

焦碳酸二甲酯 海关数据

中国海关编码:2920909090

概述:
2920909090 其他无机酸酯(不包括卤化氢的酯)(包括其盐及它们的卤化,磺化,硝化和亚硝化衍生物)。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%
申报要素:
品名,成分含量,用途
摘要/Summary:
2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts;their halogenated,sulphonated,nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

焦碳酸二甲酯 分子结构与计算化学数据

计算化学数据

1.疏水参数计算参考值(XlogP):0.7

2.氢键供体数量:0

3.氢键受体数量:5

4.可旋转化学键数量:4

5.互变异构体数量:无

6.拓扑分子极性表面积61.8

7.重原子数量:9

8.表面电荷:0

9.复杂度:104

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

焦碳酸二甲酯 上游产品

推荐供应商更多供应商>>

佛山信航生物科技有限公司

产品介绍:
产品名称:二甲基二碳酸盐 Cas号:4525-33-1 纯度:99% 包装信息:25/纸板桶kg 价格:880.0元
联系方式:
联系人:刘 电话:17725670492 手机:17725670492

株洲森特生物科技有限公司

产品介绍:
产品名称:二甲基二碳酸盐 Cas号:4525-33-1 纯度:99% 包装信息:5/铁桶kg 价格:洽谈
联系方式:
联系人:尹经理 电话:18153812052 手机:18153812052

中山联久生物科技有限公司

产品介绍:
产品名称:焦碳酸二甲酯 Cas号:4525-33-1 纯度:99% 包装信息:1/氟化瓶kg 价格:1,100.0元
联系方式:
联系人:汪凌宇 电话:18872220790 手机:18872220790

湖北信康医药化工有限公司

产品介绍:
产品名称:焦碳酸二甲酯 Cas号:4525-33-1 纯度:99% 包装信息:25kg纸板桶/编织袋/塑料桶 价格:25.0元
联系方式:
联系人:黄婷,杨倩雅 电话:027-59503710 手机:18827031272

天门恒昌化工有限公司

产品介绍:
产品名称:二甲基二碳酸盐 Cas号:4525-33-1 纯度:99% 包装信息:25kg纸板桶/编织袋/塑料桶 价格:25.0元
联系方式:
联系人:张经理,张经理 电话:18771058705 手机:18064034702

湖北实顺生物科技有限公司

产品介绍:
产品名称:二甲基二碳酸盐 Cas号:4525-33-1 纯度:99% 包装信息:25kg纸板桶/编织袋/塑料桶 价格:25.0元
联系方式:
联系人:黄广佳,丁经理 电话:15107128801 手机:15107128801

湖北永阔科技有限公司

产品介绍:
产品名称:二甲基二碳酸盐 Cas号:4525-33-1 纯度:99% 包装信息:25kg纸板桶/编织袋/塑料桶 价格:25.0元
联系方式:
联系人:许锦、邵荷琪 电话:18771008705 手机:18062678002

湖北齐飞医药化工有限公司

产品介绍:
产品名称:二甲基二碳酸盐 Cas号:4525-33-1 纯度:99% 包装信息:25kg纸板桶/编织袋/塑料桶 价格:25.0元
联系方式:
联系人:陈经理,张经理 电话:18071128683 手机:18702762251

湖北鑫鸣泰化学有限公司

产品介绍:
产品名称:二烷酸二甲酯 Cas号:4525-33-1 纯度:99% 包装信息:25/桶kg 价格:1.0元
联系方式:
联系人:黄经理 电话:027-51833411 手机:13237166274

湖北万得化工有限公司

产品介绍:
产品名称:二碳酸二甲酯 Cas号:4525-33-1 纯度:99% 包装信息:1kg铝箔袋/氟化瓶,10kg铝听/纸箱,25kg纸板桶/编织袋/塑料桶,200kg镀锌铁桶/塑料桶,1t吨袋 价格:1.0元 - 1,000.0元
联系方式:
联系人:李晓晶 电话:15172311821 手机:15172311821