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3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate

Also known as: MBTH hydrochloride monohydrate, Sawicki's reagent, MBTH, Besthorn's hydrazone, 3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate, (2E)-2-Hydrazono-3-methyl-2,3-dihydro-1,3-benzothiazole hydrochloride hydrate, (2Z)-2-Hydrazono-3-methyl-2,3-dihydro-1,3-benzothiazole hydrochloride hydrate, Sawicki's reagent monohydrate

3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate (CAS 38894-11-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12ClN3OS and a molecular weight of 233.718 g/mol. Key properties include a melting point of 276-278 °C (dec.)(lit.), a boiling point of 342.9ºC at 760 mmHg, a density of 1.37 g/cm3 and a flash point of 161.2ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H319 — Causes serious eye irritation. It is listed by 1 supplier, from 17.00 to 68.00 CNY. Record last updated Aug 21, 2026.

CAS No.
38894-11-0
Jingsj CID
J-1074200-4
Molecular Formula
C8H12ClN3OS
Molecular Weight
233.718 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
In Stock

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AR
100g
¥1,700.00
$2.54 /gBest
¥17.00/g CNY
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MOQ 100g
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25g
¥501.00
$3 /g
¥20.04/g CNY
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5g
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¥35.40/g CNY
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Physicochemical Properties

Melting Point276-278 °C (dec.)(lit.)
Boiling Point342.9ºC at 760 mmHg
Density1.37 g/cm3
Flash Point161.2ºC
Exact Mass233.038956
PSA80.78000
LogP2.45220

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate?

The CAS number of 3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate is 38894-11-0.

What are the molecular formula and molecular weight of 3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate?

3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate has molecular formula C8H12ClN3OS and molecular weight 233.718 g/mol.

Which suppliers offer 3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate?

1 supplier(s) listed; reference unit price ¥17.00–68.00 /g.

Is 3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate hazardous?

3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H319 — Causes serious eye irritation.

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

Last updated:

How to cite: Jingsj. "3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate (CAS 38894-11-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1074200-4 (accessed 2026-11-06).

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