1,2-Dimethylhydrazine dihydrochloride

1,2-二甲基肼二盐酸盐

Also known as: sym-Dimethylhydrazine dihydrochloride, N,N'-Dimethylhydrazine dihydrochloride, N,N'-Dimethylhydrazinium dichloride, 1,2-dimethylhydraziniumdichloride, Hydrazine, 1,2-dimethyl-, dihydrochloride, MFCD00012522

1,2-Dimethylhydrazine dihydrochloride (CAS 306-37-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H10Cl2N2 and a molecular weight of 133.02000 g/mol. It is also known as sym-Dimethylhydrazine dihydrochloride, N,N'-Dimethylhydrazine dihydrochloride and N,N'-Dimethylhydrazinium dichloride. Key properties include a melting point of 167-169 °C (dec.)(lit.), a boiling point of 81.5ºC at 760 mmHg and a density of 0.759 g/cm3. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
306-37-6
Jingsj CID
J-16675-5
Molecular Formula
C2H10Cl2N2
Chinese Name
1,2-二甲基肼二盐酸盐
Molecular Weight
133.02000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point167-169 °C (dec.)(lit.)
Boiling Point81.5ºC at 760 mmHg
Density0.759 g/cm3
Exact Mass132.02200
PSA24.06000
LogP1.72600

GHS Safety & Compliance

Acute Toxicity / Health HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H350 — May cause cancer

Customs & Trade Information

HS Code2928000090
Summary2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,2-Dimethylhydrazine dihydrochloride?

The CAS number of 1,2-Dimethylhydrazine dihydrochloride is 306-37-6.

What are the molecular formula and molecular weight of 1,2-Dimethylhydrazine dihydrochloride?

1,2-Dimethylhydrazine dihydrochloride has molecular formula C2H10Cl2N2 and molecular weight 133.02000 g/mol.

Is 1,2-Dimethylhydrazine dihydrochloride hazardous?

1,2-Dimethylhydrazine dihydrochloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.

What are the upstream and downstream products of 1,2-Dimethylhydrazine dihydrochloride?

For 1,2-Dimethylhydrazine dihydrochloride, Downstream Products: Ethyl 1-methyl-1H-pyrazole-3-carboxylate.

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

Last updated:

How to cite: Jingsj. "1,2-Dimethylhydrazine dihydrochloride (CAS 306-37-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16675-5 (accessed 2026-10-28).

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