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4525-33-1生产厂家

4525-33-1价格

相关CAS号：
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4525-33-1

4525-33-1结构式
4525-33-1结构式

化源商城直购

中文名 焦碳酸二甲酯
英文名 Dimethyl dicarbonate
中文别名 二碳酸二甲酯
二甲基二碳酸盐
英文别名 Velcorin
Carbonic acid, methoxycarbonyl methyl ester
EINECS 224-859-8
MFCD00008419
dicarbonic acid dimethyl ester
methoxycarbonyl methyl carbonate
Dimethyl pyrocarbonate
DMPC Dimethyl pyrocarbonate Pyrocarbonic acid dimethyl ester
Dimethyl dicarbonate
密度 1.2±0.1 g/cm3
沸点 171.4±0.0 °C at 760 mmHg
熔点 15-17ºC
分子式 C4H6O5
分子量 134.087
闪点 80.0±0.0 °C
精确质量 134.021530
PSA 61.83000
LogP 0.42
外观性状 无色液体
蒸汽压 1.4±0.3 mmHg at 25°C
折射率 1.395
储存条件

密闭,阴凉干燥处保存，保持良好的通风

稳定性

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

水溶解性 35g/l (decomposition)
计算化学

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
更多

1. 性状：无色液体

2. 密度（g/mLat 25°C）：1.25

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

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 ContactCheck 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 ContactIn 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 ContactWash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate
medical attention.
InhalationIf inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get
medical attention immediately.
Serious InhalationNot available.
IngestionDo 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 IngestionNot available.
Section 5. Fire and Explosion Data
Flammability of the Product Combustible.
Auto-Ignition Temperature Not available.
Flash PointsCLOSED CUP: 80°C (176°F).
Flammable LimitsNot available.
Products of CombustionThese products are carbon oxides (CO, CO2).
Fire Hazards in Presence of Flammable in presence of open flames and sparks, of heat.
Various SubstancesNon-flammable in presence of shocks.
Explosion Hazards in Presence Risks of explosion of the product in presence of mechanical impact: Not available.
of Various SubstancesRisks of explosion of the product in presence of static discharge: Not available.
Fire Fighting MediaSMALL FIRE: Use DRY chemical powder.
and InstructionsLARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks onNot available.
Fire Hazards
Special Remarks on Explosion Not available.
Hazards
Section 6. Accidental Release Measures
Small SpillAbsorb with an inert material and put the spilled material in an appropriate waste disposal.
Large SpillCombustible 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
PrecautionsKeep 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.
StorageAir 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 ControlsProvide 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 ProtectionSplash 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 Spillused to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist
BEFORE handling this product.
Exposure LimitsNot available.
Section 9. Physical and Chemical Properties
Physical state and appearance Liquid.OdorNot available.
TasteNot available.
Not available.
Molecular Weight
ColorColorless.
pH (1% soln/water)Not available.
45.5°C (113.9°F)
Boiling Point
Melting Point16°C (60.8°F)
Not available.
Critical Temperature
Specific Gravity1.254 (Water = 1)
Vapor PressureNot available.
Vapor DensityNot available.
VolatilityNot available.
Odor ThresholdNot available.
Water/Oil Dist. Coeff.Not available.
Not available.
Ionicity (in Water)
Dispersion PropertiesNot available.
SolubilityNot available.
Dimethyl Dicarbonate
Section 10. Stability and Reactivity Data
The product is stable.
Stability
Instability TemperatureNot available.
Heat, ignition sources (sparks, flames), air, moisture, incompatible materials
Conditions of Instability
Reactive with oxidizing agents, alkalis.
Incompatibility with various
substances
CorrosivityNot available.
Special Remarks onAir sensitive. Moisture sensitive
Reactivity
Special Remarks onNot available.
Corrosivity
PolymerizationWill not occur.
Section 11. Toxicological Information
Routes of EntryAbsorbed through skin. Eye contact. Inhalation.
Toxicity to AnimalsAcute oral toxicity (LD50): 260 mg/kg [Rat].
Chronic Effects on Humans Not available.
Other Toxic Effects onHazardous in case of skin contact (irritant), of ingestion, of inhalation.
Humans
Special Remarks onNot available.
Toxicity to Animals
Special Remarks onNot available.
Chronic Effects on Humans
Special Remarks on otherAcute Potential Health Effects:
Toxic Effects on HumansSkin: 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
EcotoxicityNot available.
BOD5 and CODNot available.
Products of BiodegradationPossibly hazardous short term degradation products are not likely. However, long term degradation products may
arise.
Toxicity of the ProductsThe products of degradation are less toxic than the product itself.
of Biodegradation
Special Remarks on theNot available.
Products of Biodegradation
Dimethyl Dicarbonate
Section 13. Disposal Considerations
Waste DisposalWaste must be disposed of in accordance with federal, state and local environmental
control regulations.
Section 14. Transport Information
DOT ClassificationNot 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 RegulationsOSHA: 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

毒理学数据:

1 、急性毒性：大鼠吸入LC50：711 mg/m3/4H ； 2、 其他多剂量毒性：大鼠吸入TCLo：50 mg/m3/6H/5D-I；

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

符号 GHS05 GHS06
GHS05, GHS06
信号词 Danger
危害声明 H302 + H312-H314-H330
警示性声明 P260-P280-P284-P305 + P351 + P338-P310
个人防护装备 Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
危害码 (欧洲) T
风险声明 (欧洲) R21/22
安全声明 (欧洲) 18-26-28-36/37/39-38-45
危险品运输编码 UN 2927 6.1/PG 2
WGK德国 3
RTECS号 HT0362500
包装等级 II
危险类别 6.1(a)
海关编码 2920909090
79-22-1结构式

79-22-1

~89%

4525-33-1结构式

4525-33-1

文献：LANXESS DEUTSCHLAND GMBH Patent: US2007/213552 A1, 2007 ; Location in patent: Page/Page column 2 ;
海关编码 2920909090
中文概述 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
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%

【4525-33-1】化源网提供CAS号/CAS登录号4525-33-1，CAS No.:4525-33-1的msds、结构式、性质、英文名、生产厂家、作用/用途、分子式/化学式、密度、沸点、熔点等。CAS号查询4525-33-1上化源网，专业又轻松。
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