BARBITAL FREE ACID CRYSTALLINE--DEASCHED ULE IV ITE

Name	Barbital
Synonyms	Diemal Barbital Barbitone barbital methanol Diethylmalonylurea Barbital(barbitone) BarbitonePh.Eur.+++ BARBITAL,POWDER,PURIFIED 5,5-diethylbarbituric acid barbital methanol solution 5,5-diethylpyrimidine-2,4,6(1H,3H,5H)-trione BARBITAL, FOR ANALYTICAL PURPOSE (EXPORT CONTROL) barbital free acid crystalline--dea*schedule iv I BARBITAL FREE ACID CRYSTALLINE--DEASCHED ULE IV ITE
CAS	57-44-3
EINECS	200-331-2
InChI	InChI=1/C8H12N2O3/c1-3-8(4-2)5(11)9-7(13)10-6(8)12/h3-4H2,1-2H3,(H2,9,10,11,12,13)

Molecular Formula	C8H12N2O3
Molar Mass	184.19
Density	1.2200
Melting Point	188-192°C
Boling Point	318.14°C (rough estimate)
Flash Point	11°C
Water Solubility	7.149g/L(25 ºC)
Color	Faintly bitter crystals from H2O; polymorphicforms; triagonal crystals, monoclinic prisms, monoclini
Merck	13,965
pKa	7.43(at 25℃)
Storage Condition	2-8°C
Refractive Index	1.4200 (estimate)
Physical and Chemical Properties	Colorless needle crystal or white powder. Melting point 188-192 ℃, soluble in hot water, ethanol, ether, chloroform. Dissolved in alkali hydroxide solution or alkali carbonate solution. No odor, slightly bitter taste.
Use	Used as chromatographic analysis reagent and hydrogen peroxide stabilizer

Risk Codes	R22 - Harmful if swallowed R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R63 - Possible risk of harm to the unborn child R40 - Limited evidence of a carcinogenic effect R20 - Harmful by inhalation
Safety Description	S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed.
UN IDs	UN 1230 3/PG 2
WGK Germany	3
RTECS	CQ3500000
Toxicity	LDLo orl-cat: 280 mg/kg PHREA7 19,472,39

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