(1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid

(1S)-(-)-(1-氨基-2-甲丙基)膦酸

Also known as: (S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid, (S)-1-Amino-2-methylpropylphosphonic acid, L-1-Amino-2-methylpropylphosphonic acid, H-VALP-(OH)2, H-S-VAL(P)-OH, H-AMEPROPP(O)-(OH)2, (S)-1-Phosphono-2-methyl-propylamine, (S)-1-Amino-2-methylprophosphate acid, Phosphonic acid, [(1S)-1-amino-2-methylpropyl]-, MFCD00797885, i04-1499

(1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid (CAS 66254-55-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H12NO3P and a molecular weight of 153.11700 g/mol. It is also known as (S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid, (S)-1-Amino-2-methylpropylphosphonic acid and L-1-Amino-2-methylpropylphosphonic acid. Key properties include a melting point of 272-277ºC(lit.), a boiling point of 302.9ºC at 760 mmHg, a density of 1.295g/cm3 and a flash point of 137ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66254-55-5
Jingsj CID
J-23101-7
Molecular Formula
C4H12NO3P
Chinese Name
(1S)-(-)-(1-氨基-2-甲丙基)膦酸
Molecular Weight
153.11700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point272-277ºC(lit.)
Boiling Point302.9ºC at 760 mmHg
Density1.295g/cm3
Flash Point137ºC
Exact Mass153.05500
PSA93.36000
LogP0.80520
Refractive Index1.486

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid?

The CAS number of (1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid is 66254-55-5.

What are the molecular formula and molecular weight of (1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid?

(1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid has molecular formula C4H12NO3P and molecular weight 153.11700 g/mol.

What are the upstream and downstream products of (1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid?

For (1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid, Upstream Products: (1-Amino-2-methylpropyl)phosphonic acid, Isobutyraldehyde.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(1S)-(-)-(1-Amino-2-methylpropyl)phosphonic acid (CAS 66254-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23101-7 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.