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Nitriles, nitro and azo compounds

Thiocarbohydrazide

Also known as Thiocarbazide, Carbonothioic dihydrazide, 1,3-diaminothiourea

CAS 2231-57-4Formula CH6N4SMolar mass 106.15 g/molEC 218-769-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 4 suppliers listed
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Thiocarbohydrazide chemical structure, CH6N4S, CAS 2231-57-4
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
170 °C
HS code
293090
Category
Nitriles, nitro and azo compounds
UN number
UN 2811
Illustrative photo, closed jumbo bulk bags in a warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Thiocarbohydrazide?

Plain description, key identifiers and synonyms

Thiocarbohydrazide is a thiocarbonyl compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,3-diaminothiourea
CAS number
2231-57-4 CAS number cross-checked
EC number
218-769-8
Molecular formula
CH6N4S
UNII
1IZ2H82NWU
MDL number
MFCD31648593
InChIKey
LJTFFORYSFGNCT-UHFFFAOYSA-N
InChI
InChI=1S/CH6N4S/c2-4-1(6)5-3/h2-3H2,(H2,4,5,6)
SMILES (canonical and isomeric)
C(=S)(NN)NN

Synonyms

  • Thiocarbazide
  • Carbonothioic dihydrazide
  • 1,3-diaminothiourea
  • Carbohydrazide, thio-
  • 1,3-Diamino-2-thiourea
  • Thiocarbonic dihydrazide
  • Hydrazinecarbohydrazonothioic acid
  • USAF EK-7372
  • Thiocarbonohydrazide
  • TCH
  • Hydrazinecarbohydrazonothioic acid (VAN)
  • Carbonothioicdihydrazide
  • 1,3-diaminoisothiourea
  • hydrazinecarbothiohydrazide
  • Thiocarbohydrazide, 98%
  • dihydrazinomethane-1-thione
  • 4-03-00-00388 (Beilstein Handbook Reference)
  • N,N'-diaminocarbamimidothioic acid
  • Thiocarbohydrazide, purum p.a., for electron microscopy, >=99.0% (N)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Crystalsexp.
Melting point
170 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
106.15 g/molcalc.
Exact mass
106.0313 Dacalc.
LogP (octanol/water)
-1.8calc.
Topological polar surface area
76.1 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H300Fatal if swallowed.
  • H311Toxic in contact with skin.
  • H330Fatal if inhaled.
Precautionary statements (18)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2811

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Thiocarbohydrazide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 4 suppliers
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Where suppliers are based

4 suppliers in 4 countries

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Thiocarbohydrazide price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Thiocarbohydrazide is used in electron microscopy to produce electron-opaque deposits for ultrastructural analysis.

Veterinary medication:.

Pharmacological actions

  • Indicators and Reagents

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Thiocarbohydrazide is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Thiocarbohydrazide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Thiocarbohydrazide, based on the data on this page

What is Thiocarbohydrazide?

Thiocarbohydrazide is a thiocarbonyl compound.

What is the CAS number of Thiocarbohydrazide?

The CAS registry number of Thiocarbohydrazide is 2231-57-4.

What is the molecular formula and weight of Thiocarbohydrazide?

The molecular formula of Thiocarbohydrazide is CH6N4S and its molar mass is 106.15 g/mol.

What is Thiocarbohydrazide used for?

Thiocarbohydrazide is used in electron microscopy to produce electron-opaque deposits for ultrastructural analysis. Veterinary medication:.

Is Thiocarbohydrazide hazardous?

Thiocarbohydrazide carries the GHS signal word "Danger". Main hazards: fatal if swallowed, toxic in contact with skin, fatal if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Thiocarbohydrazide?

Thiocarbohydrazide is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Thiocarbohydrazide?

CompoundList lists 4 suppliers of Thiocarbohydrazide in Canada, China, Ukraine and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Thiocarbohydrazide?

Suppliers quote Thiocarbohydrazide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Thiocarbohydrazide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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