(R)-(-)-2-Aminobutane

(R)-(-)-2-氨基丁烷

Also known as: (R)-(-)-sec-Butylamine, (R)-2-Butanamine, (R)-1-Methylpropylamine, R-(-)-sec-Butylamine, (-)-2-Aminobutane

(R)-(-)-2-Aminobutane (CAS 13250-12-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H11N and a molecular weight of 73.13680 g/mol. It is also known as (R)-(-)-sec-Butylamine, (R)-2-Butanamine and (R)-1-Methylpropylamine. Key properties include a boiling point of 57-60ºC, a density of 0.72 and a flash point of -19ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13250-12-9
Jingsj CID: J-1084802-3
Molecular Formula: C₄H₁₁N
Chinese Name: (R)-(-)-2-氨基丁烷
Molecular Weight: 73.13680 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	57-60ºC
Density	0.72
Flash Point	-19ºC
Exact Mass	73.08910
PSA	26.02000
LogP	1.44390
Vapor Pressure	175mmHg at 25°C
Refractive Index	1.3926-1.3946

GHS Safety & Compliance

Flammable / Corrosion / Irritant / Environmental HazardSignal word: Danger

H225 — Highly flammable liquid and vapour
H302 — Harmful if swallowed
H332 — Harmful if inhaled
H314 — Causes severe skin burns and eye damage
H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code	2921199090
Summary	2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (R)-(-)-2-Aminobutane?

The CAS number of (R)-(-)-2-Aminobutane is 13250-12-9.

What are the molecular formula and molecular weight of (R)-(-)-2-Aminobutane?

(R)-(-)-2-Aminobutane has molecular formula C4H11N and molecular weight 73.13680 g/mol.

Is (R)-(-)-2-Aminobutane hazardous?

(R)-(-)-2-Aminobutane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.

What are the upstream and downstream products of (R)-(-)-2-Aminobutane?

For (R)-(-)-2-Aminobutane, Upstream Products: sec-butylamine, Sodium pyruvate, vinyl acetate; Downstream Products: (S)-(+)-2-Aminobutane, 1-methoxy-2-propylamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(R)-(-)-2-Aminobutane (CAS 13250-12-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084802-3 (accessed 2026-10-28).

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