2-Methyl-2-pentenoic acid , 99% , 3142-72-1

CAS NO.：3142-72-1

Empirical Formula: C6H10O2

Molecular Weight: 114.14

MDL number: MFCD00002655

EINECS: 221-552-0

PRODUCT Properties

• Melting point: 26-28 °C(lit.)
• Boiling point: 123-125 °C30 mm Hg(lit.)
• Density: 0.979 g/mL at 25 °C
• vapor density: >1 (vs air)
• FEMA: 3195 | 2-METHYL-2-PENTENOIC ACID
• refractive index: n20/D 1.46(lit.)
• Flash point: 226 °F
• storage temp.: Sealed in dry,Room Temperature
• pka: 5.00±0.19(Predicted)
• form: powder to lump
• color: White to Almost white
• Odor: at 10.00 % in dipropylene glycol. dry acid sweaty strawberry woody fruity jam
• Odor Type: acidic
• FreezingPoint: 20.0 to 25.0 ℃
• JECFA Number: 1210
• InChIKey: JJYWRQLLQAKNAD-SNAWJCMRSA-N
• LogP: 1.89
• CAS DataBase Reference: 3142-72-1(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Pentenoic acid, 2-methyl-(3142-72-1)
• EPA Substance Registry System: 2-Pentenoic acid, 2-methyl- (3142-72-1)

Description and Uses

May be prepared by distillation of 2-hydroxy-2-methylvaleric acid (m-form).

2-Methyl-2-pentenoic Acid (CAS# 3142-72-1) can be used for cleansing and refreshing hair and scalp. It can also be used to store and cure food products, and for providing a long-lasting strawberry odor.

Safety

• Symbol(GHS): GHS05
• Signal word: Danger
• Hazard statements: H314
• Precautionary statements: P260-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338
• Hazard Codes: C
• Risk Statements: 34-22-41
• Safety Statements: 26-36/37/39-45
• RIDADR: UN 3261 8/PG 3
• WGK Germany: 2
• TSCA: Yes
• HazardClass: 8
• PackingGroup: III
• HS Code: 29161900
• Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)