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Amines and amides

Acetylthiourea

Also known as N-Acetylthiourea, 1-Acetylthiourea, 1-Acetyl-2-thiourea

CAS 591-08-2Formula C3H6N2OSMolar mass 118.16 g/molEC 209-699-9
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 2 suppliers listed
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Acetylthiourea chemical structure, C3H6N2OS, CAS 591-08-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Prisms from water, rhombic crystals from alcohol
Melting point
165 °C
Solubility
SOL IN DILUTE SODIUM HYDROXIDE, HOT WATER, SLIGHTLY SOL IN WATER, ETHER
HS code
293090
Category
Amines and amides
UN number
UN 2811
Illustrative photo, 25 kg white woven sacks of powder on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Acetylthiourea?

Plain description, key identifiers and synonyms

N-acetylthiourea is a member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by an acetyl group. It is a member of acetamides and a member of thioureas. It is functionally related to a thiourea.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-carbamothioylacetamide
CAS number
591-08-2 CAS number cross-checked
EC number
209-699-9
Molecular formula
C3H6N2OS
UNII
ZNZ5N1H713
MDL number
MFCD00004937
InChIKey
IPCRBOOJBPETMF-UHFFFAOYSA-N
InChI
InChI=1S/C3H6N2OS/c1-2(6)5-3(4)7/h1H3,(H3,4,5,6,7)
SMILES (canonical and isomeric)
CC(=O)NC(=S)N

Synonyms

  • N-Acetylthiourea
  • 1-Acetylthiourea
  • 1-Acetyl-2-thiourea
  • Acetothiourea
  • N-Acetyl-2-thiourea
  • Acetamide, N-(aminothioxomethyl)-
  • N-Acetylthiocarbamide
  • Acetylthiocarbamide
  • Urea, 1-acetyl-2-thio-
  • Acetyl thiourea
  • USAF EK-4890
  • N(Thiocarbamyl)acetamide
  • N-(Aminothioxomethyl)acetamide
  • N-carbamothioylacetamide
  • Acetyl-2-thiourea
  • RCRA waste number P002
  • RCRA waste no. P002
  • acetyl-thiourea
  • Acetamide,N-(aminothioxomethyl)-
  • 1-acetylisothiourea
  • Acetylthiourea, 99%
  • N-(aminocarbonothioyl)acetamide
  • Ipcrboojbpetmf-uhfffaoysa-
  • N-[amino(sulfanyl)methylene]acetamide

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

Appearance
Prisms from water, rhombic crystals from alcoholexp.
Melting point
165 °Cexp.
Solubility
SOL IN DILUTE SODIUM HYDROXIDE, HOT WATER, SLIGHTLY SOL IN WATER, ETHERexp.

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
118.16 g/molcalc.
Exact mass
118.0201 Dacalc.
LogP (octanol/water)
-0.63calc.
Topological polar surface area
55.12 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.33calc.
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.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Acetylthiourea suppliers

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

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Acetylthiourea price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

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 Acetylthiourea 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 Acetylthiourea is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Acetylthiourea?

N-acetylthiourea is a member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by an acetyl group. It is a member of acetamides and a member of thioureas. It is functionally related to a thiourea.

What is the CAS number of Acetylthiourea?

The CAS registry number of Acetylthiourea is 591-08-2.

What is the molecular formula and weight of Acetylthiourea?

The molecular formula of Acetylthiourea is C3H6N2OS and its molar mass is 118.16 g/mol.

What is Acetylthiourea used for?

Known uses and roles of Acetylthiourea include building blocks in research and laboratory.

Is Acetylthiourea hazardous?

Acetylthiourea carries the GHS signal word "Danger". Main hazards: fatal if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Acetylthiourea?

Acetylthiourea 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 Acetylthiourea?

CompoundList lists 2 suppliers of Acetylthiourea in South Korea and Russia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Acetylthiourea?

Suppliers quote Acetylthiourea 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 Acetylthiourea

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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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