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Product Name: |
Natural Tiglic acid |
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CAS: |
80-59-1 |
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MF: |
C5H8O2 |
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MW: |
100.12 |
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EINECS: |
201-295-0 |
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Product Categories: |
Aromatic Cinnamic Acids, Esters and Derivatives |
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Mol File: |
80-59-1.mol |
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|
|
Melting point |
61-64 °C(lit.) |
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Boiling point |
95-96 °C12 mm Hg(lit.) |
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density |
0.969 g/mL at 25 °C(lit.) |
|
FEMA |
3599 | 2-METHYL-TRANS-2-BUTENOIC ACID |
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refractive index |
nD81 1.4342 |
|
Fp |
101°C |
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storage temp. |
Refrigerator (+4°C) |
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form |
Crystalline Powder and Chunks |
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pka |
pK (25°) 5.02 |
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Specific Gravity |
0.969 |
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color |
White to beige |
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Water Solubility |
SOLUBLE IN HOT WATER |
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JECFA Number |
1205 |
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Merck |
14,9433 |
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BRN |
1236500 |
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InChIKey |
UIERETOOQGIECD-ONEGZZNKSA-N |
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CAS DataBase Reference |
80-59-1(CAS DataBase Reference) |
|
NIST Chemistry Reference |
2-Butenoic acid, 2-methyl-, (E)-(80-59-1) |
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EPA Substance Registry System |
2-Butenoic acid, 2-methyl-, (2E)- (80-59-1) |
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Hazard Codes |
C,Xi |
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Risk Statements |
34-36/37/38 |
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Safety Statements |
26-36/37/39-45-24/25-27 |
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RIDADR |
UN 3261 8/PG 2 |
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WGK Germany |
2 |
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RTECS |
GQ5430000 |
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TSCA |
Yes |
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HazardClass |
8 |
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PackingGroup |
III |
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HS Code |
29161980 |
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Hazardous Substances Data |
80-59-1(Hazardous Substances Data) |
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Chemical Properties |
trans-2-Methyl-2-butenoic acid has a sweet, warm, spicy odor. |
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Chemical Properties |
WHITE TO BEIGE CRYSTALLINE POWDER AND CHUNKS |
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Occurrence |
Reported found in celery leaves and stalk, cocoa, mango, dried bonito and Roman chamomile oil |
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Uses |
Tiglic acid is the stable isomer of angelic acid. Tiglic acid was found as glyceride in croton oil, as butyl ester in the oil of the Roman camomile, and as geranyl tiglate in oil of geranium. Tiglic a cid is formed during the charcoaling of maple wood. |
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Air & Water Reactions |
Slightly soluble in water. |
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Chemical Synthesis |
Synthesized from 2-hydroxy-2-methylbutyronitrile |
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Purification Methods |
Crystallise it from water. It is steam volatile and is soluble in organic solvents. [Beilstein 2 IV 1552.] |
