Substance
ID:355263
Names and Identifiers
IUPAC Traditional name
2-butenoic acid
IUPAC name
but-2-enoic acid
Synonyms
trans-2-butenoic acid反-2-丁烯酸巴豆酸Crotonic acid
Registration numbers
CAS Number
MDL Number
Beilstein Number
PubChem SID
EC Number
Properties
Physical Property
Flash Point
88 °C
190.4 °F
Melting Point
70-72 °C(lit.)
70-72 °C
Vapor Pressure
0.19 mmHg ( 20 °C)
Boiling Point
180-181 °C(lit.)
Auto Ignition Point
744 °F
Density
1.027 g/mL at 25 °C(lit.)
Vapor Density
2.97 (vs air)
Safety Information
Explode Limits
2.2 %, 135 °F
15.1 %, 171 °F
GHS Precautionary statements
P280-P305+P351+P338-P310
GHS Hazard statements
H302-H312-H314
UN Number
2823
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
Safety Statements
26-36/37/39-45
Packing Group
3
GHS Signal Word
Danger
RID/ADR
UN 2823 8/PG 3
RTECS
GQ2900000
German water hazard class
3
European Hazard Symbols
Corrosive (C)Personal Protective Equipment
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Risk Statements
21/22-34
MSDS Link
Hazard Class
8
Product Information
Grade
purum
Linear Formula
CH3CH=CHCOOH
Purity
≥97.0% (T)
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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