反式-2-甲基-2-戊烯酸，CAS 登记号 16957-70-3，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于食用香精。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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2-Methyl-2-Pentenoic Acid is identified by CAS 16957-70-3, molecular formula C6H10O2 and molecular weight 114.07 g/mol. UNII 44I99E898B; ChEBI 173385; InChIKey JJYWRQLLQAKNAD-SNAWJCMRSA-N. Boiling Point: 123-125 °C (30 mm Hg); Density: 0.976-0.982; Refractive Index: 1.450-1.460.
| CAS Registry Number | 16957-70-3 |
|---|---|
| PubChem CID | 5365909 |
| Molecular formula | C6H10O2 |
| Molecular weight | 114.07 g/mol |
| IUPAC name | (E)-2-methylpent-2-enoic acid |
| InChIKey | JJYWRQLLQAKNAD-SNAWJCMRSA-N |
| UNII (FDA) | 44I99E898B |
| ChEBI ID | CHEBI:173385 |
| FEMA number | 3195 |
| JECFA number | 1210 |
| Molecular Weight | 114.14 |
|---|---|
| XLogP3 | 1.4 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 114.068079557 |
| Monoisotopic Mass | 114.068079557 |
| Topological Polar Surface Area | 37.3 |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Boiling Point | 123-125 °C (30 mm Hg) |
|---|---|
| Density | 0.976-0.982 |
| Refractive Index | 1.450-1.460 |
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Fruit No safety concern at current levels of intake when used as a flavouring agent |
|---|
| Reported hazard statements | H314 (100%), H318 (68.8%) |
|---|
H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H318 (68.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
2-METHYL-2-PENTENOIC ACID; 16957-70-3; trans-2-Methyl-2-pentenoic acid; (E)-2-methylpent-2-enoic acid; 3142-72-1; (E)-2-methyl-2-pentenoic acid; (2E)-2-methylpent-2-enoic acid; FEMA No. 3195; 2-Pentenoic acid, 2-methyl-, (E)-; 2-Pentenoic acid, 2-methyl-, (2E)-; 2-Pentenoic acid, 2-methyl-; 44I99E898B; MFCD00002655; (E)-2-Methylpent-2-en-1-oic acid; 2-Pentene-2-carboxylicacid; (2E)-2-Methyl-2-pentenoic acid
CAS 16957-70-3; molecular formula C6H10O2; molecular weight 114.07 g/mol.
2-METHYL-2-PENTENOIC ACID, 16957-70-3, trans-2-Methyl-2-pentenoic acid, (E)-2-methylpent-2-enoic acid, 3142-72-1, (E)-2-methyl-2-pentenoic acid.
Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.
Hazard statements reported: H314, H318.
Boiling Point: 123-125 °C (30 mm Hg); Density: 0.976-0.982; Refractive Index: 1.450-1.460.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.