1,5,5-TRIMETHYLHYDANTOIN

Modify Date: 2025-08-25 10:33:01

1,5,5-TRIMETHYLHYDANTOIN Structure
1,5,5-TRIMETHYLHYDANTOIN structure
Common Name 1,5,5-TRIMETHYLHYDANTOIN
CAS Number 6851-81-6 Molecular Weight 142.15600
Density 1.117 g/cm3 Boiling Point N/A
Molecular Formula C6H10N2O2 Melting Point 161-164 °C(lit.)
MSDS N/A Flash Point N/A

 Use of 1,5,5-TRIMETHYLHYDANTOIN


1,5,5-Trimethylhydantoin (TMH) is a non-isotopic internal standard (IS)[1].

 Names

Name 1,5,5-Trimethylhydantoin
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.117 g/cm3
Melting Point 161-164 °C(lit.)
Molecular Formula C6H10N2O2
Molecular Weight 142.15600
Exact Mass 142.07400
PSA 49.41000
LogP 0.21330
Index of Refraction 1.463
Storage condition 2~8°C

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
WGK Germany 3
HS Code 2933990090

 Synthetic Route

~29%

1,5,5-TRIMETHYLHYDANTOIN Structure

1,5,5-TRIMETHYL...

CAS#:6851-81-6

Literature: Helvetica Chimica Acta, , vol. 75, p. 1251 - 1261

~%

1,5,5-TRIMETHYLHYDANTOIN Structure

1,5,5-TRIMETHYL...

CAS#:6851-81-6

Literature: Helvetica Chimica Acta, , vol. 75, p. 1251 - 1261

~%

1,5,5-TRIMETHYLHYDANTOIN Structure

1,5,5-TRIMETHYL...

CAS#:6851-81-6

Literature: Journal of Heterocyclic Chemistry, , vol. 22, # 4 p. 1025 - 1028

~%

1,5,5-TRIMETHYLHYDANTOIN Structure

1,5,5-TRIMETHYL...

CAS#:6851-81-6

Literature: Journal of Heterocyclic Chemistry, , vol. 22, # 4 p. 1025 - 1028

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1,5,5-trimethylimidazolidine-2,4-dione
MFCD00040439
EINECS 229-945-9
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