o-Tolylhydrazine hydrochloride
Also known as: 2-Methylphenylhydrazine hydrochloride, o-Methylphenylhydrazine hydrochloride, 2-Tolylhydrazine hydrochloride, Hydrazine, (2-methylphenyl)-, monohydrochloride, 1-o-Tolylhydrazine hydrochloride, NSC 2221, MFCD00012925, EINECS 211-232-9
o-Tolylhydrazine hydrochloride (CAS 635-26-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H11ClN2 and a molecular weight of 158.629 g/mol. Key properties include a melting point of 190 °C (dec.)(lit.), a boiling point of 227.7ºC at 760 mmHg and a flash point of 104.1ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 635-26-7
- Jingsj CID
- J-1117219-3
- Molecular Formula
- C7H11ClN2
- Molecular Weight
- 158.629 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 190 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 227.7ºC at 760 mmHg |
| Flash Point | 104.1ºC |
| Exact Mass | 158.061081 |
| PSA | 38.05000 |
| LogP | 2.85590 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2928000090 |
|---|---|
| Summary | 2928000090 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 o-Tolylhydrazine hydrochloride?
The CAS number of o-Tolylhydrazine hydrochloride is 635-26-7.
What are the molecular formula and molecular weight of o-Tolylhydrazine hydrochloride?
o-Tolylhydrazine hydrochloride has molecular formula C7H11ClN2 and molecular weight 158.629 g/mol.
Is o-Tolylhydrazine hydrochloride hazardous?
o-Tolylhydrazine hydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "o-Tolylhydrazine hydrochloride (CAS 635-26-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117219-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.