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Home/Compounds/Research Reagent/Tetramethylurea
C5H12N2O
116.16 g/mol
Research ReagentDanger

1,1,3,3-Tetramethylurea

CAS632-22-4EC211-173-9
Category
Research Reagent
Compound Class
Amide
Primary Use
Research Compound

1,1,3,3-Tetramethylurea (TMU) is an organic compound and a substituted urea. It is a colorless liquid used primarily as an aprotic polar solvent, particularly for aromatic compounds and in various research applications.

Aprotic polar solvent for aromatic compoundsLaboratory reagent in organic synthesis

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Danger
H302Harmful if swallowed
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H227

Customs Tariff Classification

The international HS code for 1,1,3,3-Tetramethylurea (CAS 632-22-4) is 2924.19.

HS code (international, 6-digit)

2924.19

EU CN code (8-digit)

2924 19 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

1,1,3,3-tetramethylurea

InChIKey

AVQQQNCBBIEMEU-UHFFFAOYSA-N

SMILES

CN(C)C(=O)N(C)C

Synonyms (19)
  • TMU
  • 1,1,3,3-Tetramethylurea
  • 1,3,3-Tetramethylurea
  • N,N,N',N'-Tetramethylurea
  • TETRAMETHYLUREA, 1,1,3,3-
  • Temur
  • Tetramethyl Urea
  • Tetramethylurea, >=99.5% (GC)
  • Tetramethyluree
  • Tetramethyluree [French]
  • Urea, 1,1,3,3-tetramethyl-
  • Urea, tetramethyl-
  • Urea,1,3,3-tetramethyl-
  • tetramethylcarbamide
  • urea, N,N,N',N'-tetramethyl-

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