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(2S)-propane-1,2-diamine dihydrochloride

Also known as: (S)-(-)-1,2-Diaminopropane dihydrochloride, (S)-1,2-Diaminopropane dihydrochloride, (S)-(-)-Diaminopropane dihydrochloride, (S)-Propylenediamine dihydrochloride, (S)-(-)-Propylenediamine dihydrochloride, (S)-1,2-Propanediamine dihydrochloride, (2S)-1,2-Propanediamine dihydrochloride, (S)-1,2-diaminopropane dihydrochloride, L-1,2-Propanediamine dihydrochloride, MFCD01862631

(2S)-propane-1,2-diamine dihydrochloride (CAS 19777-66-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H12Cl2N2 and a molecular weight of 147.047 g/mol. Key properties include a melting point of 227-229ºC, a boiling point of 215.8ºC at 760 mmHg and a flash point of 84.3ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19777-66-3
Jingsj CID
J-1160042-3
Molecular Formula
C3H12Cl2N2
Molecular Weight
147.047 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point227-229ºC
Boiling Point215.8ºC at 760 mmHg
Flash Point84.3ºC
Exact Mass146.037750
PSA52.04000
LogP2.29690
Vapor Pressure0.12mmHg at 25°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2921290000
Summary2921290000 other acyclic polyamines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (2S)-propane-1,2-diamine dihydrochloride?

The CAS number of (2S)-propane-1,2-diamine dihydrochloride is 19777-66-3.

What are the molecular formula and molecular weight of (2S)-propane-1,2-diamine dihydrochloride?

(2S)-propane-1,2-diamine dihydrochloride has molecular formula C3H12Cl2N2 and molecular weight 147.047 g/mol.

Is (2S)-propane-1,2-diamine dihydrochloride hazardous?

(2S)-propane-1,2-diamine dihydrochloride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of (2S)-propane-1,2-diamine dihydrochloride?

For (2S)-propane-1,2-diamine dihydrochloride, Upstream Products: L-Alaninamide, tert-butyl N-[(2S)-1-aminopropan-2-yl]carbamate; Downstream Products: (R)-tert-Butyl (2-aminopropyl)carbamate, (S)-(+)-1,2-Diaminopropane-N,N,N',N'-tetraacetic acid.

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

Last updated:

How to cite: Jingsj. "(2S)-propane-1,2-diamine dihydrochloride (CAS 19777-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1160042-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.