trans-2-Methyl-2-butenoic acid
ALDRICH/W359904 - ≥99%, FG
Synonym: Tiglic acid; trans-2,3-Dimethylacrylic acid; trans-2-Methyl-2-butenoic acid
CAS Number: 80-59-1
Empirical Formula (Hill Notation): C5H8O2
Molecular Weight: 100.12
EC Number: 201-295-0
MDL Number: MFCD00066864
Linear Formula: CH3CH=C(CH3)COOH
Product Type: Chemical
agency | follows IFRA guidelines |
meets purity specifications of JECFA | |
application(s) | flavors and fragrances |
assay | ≥99% |
biological source | synthetic |
bp | 95-96 °C/12 mmHg (lit.) |
density | 0.969 g/mL at 25 °C (lit.) |
documentation | see Safety & Documentation for available documents |
food allergen | no known allergens |
fragrance allergen | no known allergens |
grade | FG |
Fragrance grade | |
Halal | |
Kosher | |
InChI | 1S/C5H8O2/c1-3-4(2)5(6)7/ |
InChI key | UIERETOOQGIECD-ONEGZZNKSA |
mp | 61-64 °C (lit.) |
organoleptic | brown; spicy |
Quality Level | 400 ![]() |
reg. compliance | EU Regulation 1223/2009 |
EU Regulation 1334/2008 & 178/2002 | |
SMILES string | CC=C(/C)C(O)=O |
Packaging: | 1 kg in poly bottle |
Packaging: | 100 g in poly bottle |
Packaging: | 5 kg in fiber drum |
Symbol | ![]() |
Signal word | Warning |
Hazard statements | H315 - H319 - H335 |
Precautionary statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
Hazard Codes | C |
Risk Statements | 34 |
Safety Statements | 26-36/37/39-45 |
RIDADR | UN 3261 8 / PGII |
WGK Germany | WGK 2 |
Flash Point(F) | 203.0 °F |
Flash Point(C) | 95 °C |
Purity | ≥99% |
bp | 95-96 °C/12 mmHg (lit.) |
mp | 61-64 °C (lit.) |
Density | 0.969 g/mL at 25 °C (lit.) |
FEMA Number | 3599 |
UNSPSC | 12164502 |