ChemicalBook > CAS DataBase List > 5,5-Dimethylhydantoin

5,5-Dimethylhydantoin

Product Name: 5,5-Dimethylhydantoin
CAS No.: 77-71-4
Chemical Name: 5,5-Dimethylhydantoin
Synonyms: DMH;5,5-Dimethylimidazolidine-2,4-dione;DIMETHYLHYDANTOIN;T10;dantoindmh;5,5-DIMETHYL-2,4-IMIDAZOLIDINEDIONE;ADPRC1;t10[qr];nsc8652;dmh[qr]
CBNumber: CB5277245
Molecular Formula: C5H8N2O2
Formula Weight: 128.13
MOL File: 77-71-4.mol

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5,5-Dimethylhydantoin Property

Melting point:: 174-177 °C (lit.)
Boiling point:: 237.54°C (rough estimate)
Density: 1.2864 (rough estimate)
refractive index: 1.4730 (estimate)
Flash point:: 193°C
storage temp.: Sealed in dry,Room Temperature
solubility: H₂O: 0.1 g/mL hot, clear
pka: pKa 8.1 (Uncertain)
form: Crystalline Powder or Crystals
color: White to off-white
Water Solubility: soluble
BRN: 2827
LogP: -0.480
CAS DataBase Reference: 77-71-4(CAS DataBase Reference)
NIST Chemistry Reference: 2,4-Imidazolidinedione, 5,5-dimethyl-(77-71-4)
EPA Substance Registry System: 5,5-Dimethylhydantoin (77-71-4)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 22-24/25-36/37-26
WGK Germany: 2
RTECS: MU0977000
TSCA: Yes
HS Code: 29332100
Hazardous Substances Data: 77-71-4(Hazardous Substances Data)
Toxicity: LD50 oral in rabbit: 12660mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: D161403
Product name: 5,5-Dimethylhydantoin
Purity: 97%
Packaging: 100g
Price: $29.4
Updated: 2025/07/31

Sigma-Aldrich

Product number: D161403
Product name: 5,5-Dimethylhydantoin
Purity: 97%
Packaging: 1kg
Price: $91.5
Updated: 2025/07/31

TCI Chemical

Product number: D0739
Product name: 5,5-Dimethylhydantoin
Purity: >98.0%(T)
Packaging: 25g
Price: $16
Updated: 2025/07/31

TCI Chemical

Product number: D0739
Product name: 5,5-Dimethylhydantoin
Purity: >98.0%(T)
Packaging: 500g
Price: $47
Updated: 2025/07/31

TRC

Product number: D473300
Product name: 5,5-Dimethylhydantoin
Packaging: 100g
Price: $135
Updated: 2021/12/16

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5,5-Dimethylhydantoin Chemical Properties,Usage,Production

Chemical Properties

white to off-white crystals or crystalline powder

Uses

5,5-Dimethylhydantoin is part of a group of hydantoin compounds that are being evaluated for their anticonvulsant and central nervous system antitumour properties.

Definition

ChEBI: 5,5-Dimethylhydantoin is an imidazolidine-2,4-dione.

Purification Methods

Crystallise the hydantoin from EtOH and sublime it in vacuo. [Beilstein 24 III/IV 1097.]

5,5-Dimethylhydantoin Preparation Products And Raw materials

Raw materials

Acetone cyanohydrin Ammonium carbonate

Preparation Products

1,3-Dibromo-5,5-dimethylhydantoin

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5,5-Dimethylhydantoin Suppliers

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View Lastest Price from 5,5-Dimethylhydantoin manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: 5,5-Dimethylhydantoin 77-71-4
Price: US $0.00/KG
Min. Order: 25KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-02-02

Hebei Chuanghai Biotechnology Co., Ltd

Product: 5,5-Dimethylhydantoin 77-71-4
Price: US $1.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-22

HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD

Product: 5,5-Dimethylhydantoin 77-71-4
Price: US $1000.00-700.00/ton
Min. Order: 1ton
Purity: 99%
Supply Ability: 5000
Release date: 2024-08-14

77-71-4, 5,5-DimethylhydantoinRelated Search:

Iprodione Dimethyl sulfoxide Dimethyl carbonate Dimethyl fumarate Dimethyl ether Dimethyl phthalate Dimethyl sebacate ETHANE N,N-Dimethylformamide Bromo-1-chloro-5,5-dimethylhydantoin, 3-: (Bromo-1-chloro-5.5-dimethyl-2,4-imidazokidinedione),3-BROMO-1-CHLORO-5,5-DIMETHYLHYDANTOIN (S)-MEPHENYTOIN 1,3-DIAZASPIRO[4.5]DECANE-2,4-DIONE 5-(4-METHYLPHENYL)-5-PHENYLHYDANTOIN 1-(HYDROXYMETHYL)-5,5-DIMETHYLHYDANTOIN,1-METHYLOL-5,5-DIMETHYLHYDANTOIN,1,1-METHYLOL-5,5-DIMETHYLHYDANTOIN 1-BROMO-3-CHLORO-5,5-DIMETHYLHYDANTOIN 96+%,1-Bromo-3-chloro-5,5-dimethylhydantoin 1,3-DICHLORO-5,5-DIMETHYLHYDANTOIN 5,5-Diphenylhydantoin 5-METHYL-5-PHENYLHYDANTOIN

dantoindmh

DM Hydantoin

dmh[qr]

dmhydantoin

Hydantoin, 5,5-dimethyl-

nsc8652

T10

t10[qr]

A-UREIDOISOBUTYRIC ACID LACTAM

DMH

DIMETHYLHYDANTOIN

5,5-DIMETHYL-2,4-DIOXOTETRAHYDROIMIDAZOLE

5,5-DIMETHYL-2,4-IMIDAZOLIDINEDIONE

5,5'-DIMETHYLHYDANTOIN

5,5-DIMETHYLHYDANTOIN

5,5-Dimethylimidazolidine-2,4-dione

5,5-Dimethylhydrantoin

2,4-Imidazolidinedione,5,5-dimethyl-

4-Imidazolidinedione,5,5-dimethyl-2

5,5-dimethyl-4-imidazolidinedione

5,5-dimethyl-hydantoi

5,5-Dimethyl-imidazolidin-2,4-dion

5,5-Dimethylimidazolidin-2,4-dione

1-uriodo-2-propanone

5,5-DIMETHYLHYDANTOIN (DMH)

5,5-dimethylhydatoin

Acetonylurea

Dantoin DMH

CHLORETHERKETONE

5,5-Dimethylhydantoin,97%

5,5-DIMETHYL HYDANTOIN-AMINO ACID USAGE GRADE

5,5-DIMETHYL HYDANTOIN-WATER TREATMENT GRADE

2,4-Dioxo-5,5-dimethylimidazolidine

gamma-Dimethylhydantoin

5,5-DiMethylhydantoin, 97% 1KG

5,5-DiMethylhydantoin, 97% 250GR

4,4-Dimethyl-2,5-dioxoimidazolidine

Fennosurf 300

5,5-Dimethylhydantoin &gt

5,5-Dimethylhydantoin USP/EP/BP

Hydantoin Impurity 13

Roxadustat Impurity 41

ADP-ribosyl cyclase 1

cyclic ADP-ribose hydrolase

5,5-Dimethyl,1-nitro imidazolidine-2,4-dione

5,5-Dimethylhydantoin,>98%

5, 5-dimethylheine

PE/Elab Fluor? 594 Anti-Human CD38 Antibody[AT13/5

Elab Fluor? Red 780 Anti-Human CD38 Antibody[HIT2

2'-phospho-ADP-ribosyl cyclase

2'-phospho-cyclic-ADP-ribose transferase

ADPRC 1

ADPRC1

ADP-ribosyl

ADP-ribosyl cyclase 1 (ADPRC 1)

cyclase

cyclic ADP-ribose hydrolase 1

Cyclic ADP-ribose hydrolase 1 (cADPr hydrolase 1)