2-Butenoic acid,2-methyl-

物化性质

密度：

1.01g/cm3

熔点：

61-64ºC(lit.)

沸点：

95-96ºC12 mm Hg(lit.)

闪点：

96ºC

折射率：

1.45

蒸汽压：

0.152mmHg at 25°C

稳定性相关：

1. 存在于烤烟烟叶、白肋烟烟叶、香料烟烟叶、烟气中。

其它信息：

1. 性状：无色三斜片状结晶或棒状物，有辛辣气味。

2. 溶解性：溶于热水，能溶于乙醇、乙醚。

3. 沸点（ºC）：95~96（1.6kpa）

4. 熔点（ºC）：61~64

5. 闪点（ºC）：96

6. 相对密度(d²⁵₄₎ ：0.969

7.折射率_(n⁴⁷_D)：1.4434

安全信息

密度：

1.01g/cm3

熔点：

61-64ºC(lit.)

沸点：

95-96ºC12 mm Hg(lit.)

闪点：

96ºC

折射率：

1.45

蒸汽压：

0.152mmHg at 25°C

稳定性相关：

1. 存在于烤烟烟叶、白肋烟烟叶、香料烟烟叶、烟气中。

其它信息：

1. 性状：无色三斜片状结晶或棒状物，有辛辣气味。

2. 溶解性：溶于热水，能溶于乙醇、乙醚。

3. 沸点（ºC）：95~96（1.6kpa）

4. 熔点（ºC）：61~64

5. 闪点（ºC）：96

6. 相对密度(d²⁵₄₎ ：0.969

7.折射率_(n⁴⁷_D)：1.4434

MSDS

Name:	2-Methylbut-2-enoic acid 97% Material Safety Data Sheet
Synonym:	2,3-Dimethylacrylic aci
CAS:	13201-46-2

Section 1 - Chemical Product   MSDS Name:2-Methylbut-2-enoic acid 97% Material Safety Data Sheet
Synonym:2,3-Dimethylacrylic aci
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
13201-46-2	2-Methylbut-2-enoic acid	97%	236-167-3

Hazard Symbols: C
Risk Phrases: 34
Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Causes burns.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract.
Chronic:
Not available.
Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:
Treat symptomatically and supportively.
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.
Extinguishing Media:
Use foam, dry chemical, or carbon dioxide.
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.
Section 7 - HANDLING and STORAGE
  Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Corrosives area.
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# 13201-46-2: Personal Protective Equipment Eyes: Not available.
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: Solid
Color: white crystalline solid
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 95 - 96 deg C @11.5mmHg
Freezing/Melting Point: 63 - 64 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C5H8O2
Molecular Weight: 100
Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 13201-46-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2-Methylbut-2-enoic acid - 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: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.*
Hazard Class: 8
UN Number: 3261
Packing Group: III
IMO
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3261
Packing Group: III
RID/ADR
Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3261
Packing group: III
Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 13201-46-2: No information available.
Canada
CAS# 13201-46-2 is listed on Canada's DSL List.
CAS# 13201-46-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 13201-46-2 is listed on the TSCA inventory.

SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据

中国海关编码：2916190090

概述：

2916190090 其他不饱和无环一元羧酸（包括其酸酐、酰卤化物，过氧化物和过氧酸以及它们的衍生物）。监管条件:AB(入境货物通关单,出境货物通关单)。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, 丙烯酸、丙烯酸盐或酯应报明包装

监管条件：

A.入境货物通关单B.出境货物通关单

检验检疫：

R.进口食品卫生监督检验S.出口食品卫生监督检验M.进口商品检验N.出口商品检验

摘要/Summary：

2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

分子结构与计算化学数据

分子结构数据

1、 摩尔折射率：26.67

2、 摩尔体积（cm³/mol）：99.1

3、 等张比容（90.2K）：236.2

4、 表面张力（dyne/cm）：32.2

5、 极化率（10-24cm3）：10.57