(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride
Also known as: (S)-(+)-MTPA-Cl, (+)-Mosher's acid chloride, Mosher's acid chloride, (+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride, (+)-MTPA-Cl, (S)-(+)-α-Methoxy-α-trifluoromethylphenylacetyl chloride, (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl chloride
(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride (CAS 20445-33-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H8ClF3O2 and a molecular weight of 252.61800 g/mol. Key properties include a boiling point of 213-214 °C(lit.), a density of 1.35 g/mL at 25 °C(lit.) and a flash point of 90.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 20445-33-4
- Jingsj CID
- J-25412-6
- Molecular Formula
- C10H8ClF3O2
- Molecular Weight
- 252.61800 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 213-214 °C(lit.) |
|---|---|
| Density | 1.35 g/mL at 25 °C(lit.) |
| Flash Point | 90.0 °C |
| Exact Mass | 252.01600 |
| PSA | 26.30000 |
| LogP | 2.85600 |
| Vapor Pressure | 0.164mmHg at 25°C |
| Refractive Index | n20/D 1.47(lit.) |
| Storage Conditions | -20℃ |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride?
The CAS number of (S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride is 20445-33-4.
What are the molecular formula and molecular weight of (S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride?
(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride has molecular formula C10H8ClF3O2 and molecular weight 252.61800 g/mol.
Is (S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride hazardous?
(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of (S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride?
For (S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride, Upstream Products: (S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid, (R)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid; Downstream Products: Chlorotributyltin, Cyclohexanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride (CAS 20445-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25412-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.