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HomeProduct name listN-ACETYLTHIOUREA

N-ACETYLTHIOUREA

  • CAS NO.:591-08-2
  • Empirical Formula: C3H6N2OS
  • Molecular Weight: 118.16
  • MDL number: MFCD00004937
  • EINECS: 209-699-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-15 10:43:15
N-ACETYLTHIOUREA Structural

What is N-ACETYLTHIOUREA?

Chemical properties

white crystalline powder

Chemical properties

1-Acetyl-2-thiourea is a white crystalline solid; forming needles

The Uses of N-ACETYLTHIOUREA

N-Acetylthiourea is a derivative of Thiourea (T375450)

Definition

ChEBI: 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.

General Description

White crystalline solid. Noncombustible, but decomposes with heating.

Air & Water Reactions

Slightly soluble in water, soluble in hot water. Hydrolysis occurs rapidly with strong acid/base media.

Reactivity Profile

N-ACETYLTHIOUREA is incompatible with strong oxidizing agents, strong acids and strong bases. Decomposes when heated to give toxic oxides of sulfur and nitrogen.

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Potential Exposure

Studied as possible rodenticide; used in organic synthesis.

Shipping

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Purification Methods

Recrystallise the thiourea from AcOH; the solid is washed with Et2O and dried in air then at 100o. [Zahradnik Collect Czech Chem Commun 24 3678 1959, Beilstein 3 IV 354.]

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides.

Waste Disposal

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.

Properties of N-ACETYLTHIOUREA

Melting point: 165-169 °C(lit.)
Density  1.240 (estimate)
refractive index  1.7000 (estimate)
storage temp.  Store below +30°C.
solubility  12.8g/l
form  Crystalline Powder
pka 11.24±0.70(Predicted)
color  Pale cream
PH 6.0 (173g/l, H2O, 20℃)
BRN  969960
CAS DataBase Reference 591-08-2(CAS DataBase Reference)
EPA Substance Registry System 1-Acetyl-2-thiourea (591-08-2)

Safety information for N-ACETYLTHIOUREA

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H300:Acute toxicity,oral
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P309:IF exposed or if you feel unwell:
P310:Immediately call a POISON CENTER or doctor/physician.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

Computed Descriptors for N-ACETYLTHIOUREA

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