Barbituric acid

Modify Date: 2025-08-20 15:16:27

Barbituric acid structure	Common Name	Barbituric acid
	CAS Number	67-52-7	Molecular Weight	128.086
	Density	1.8±0.1 g/cm3	Boiling Point	372.7±25.0 °C at 760 mmHg
	Molecular Formula	C₄H₄N₂O₃	Melting Point	248-252 °C (dec.)(lit.)
	MSDS	N/A	Flash Point	179.2±23.2 °C

Name	barbituric acid
Synonym	More Synonyms

Density	1.8±0.1 g/cm3
Boiling Point	372.7±25.0 °C at 760 mmHg
Melting Point	248-252 °C (dec.)(lit.)
Molecular Formula	C₄H₄N₂O₃
Molecular Weight	128.086
Flash Point	179.2±23.2 °C
Exact Mass	128.022186
PSA	75.27000
LogP	-1.72
Vapour Pressure	0.0±1.9 mmHg at 25°C
Index of Refraction	1.709
Water Solubility	142 g/L (20 ºC)

Barbituric acid MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CP8000000

CHEMICAL NAME :: Barbituric acid

CAS REGISTRY NUMBER :: 67-52-7

LAST UPDATED :: 199710

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C4-H4-N2-O3

MOLECULAR WEIGHT :: 128.10

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 18,185,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 505 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 106,504,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81718 No. of Facilities: 28 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 700 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81718 No. of Facilities: 79 (estimated) No. of Industries: 4 No. of Occupations: 5 No. of Employees: 3529 (estimated) No. of Female Employees: 1481 (estimated)

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S24/25
WGK Germany	1
RTECS	CP8000000
HS Code	2933520000

Precursor 9
CAS#:57-13-6 Urea CAS#:105-53-3 Diethyl malonate CAS#:504-17-6 4,6-Dihydroxy-2... CAS#:141-82-2 Malonic acid
CAS#:873-83-6 6-Aminouracil CAS#:100-52-7 Benzaldehyde CAS#:1190-39-2 Propanedioic ac... CAS#:511-67-1 5,5-Dibromo-2,4...
CAS#:699-40-1 5,5-dichloro-1,...
DownStream 10
CAS#:111709-57-0 5-[(2-nitrophen... CAS#:109480-64-0 5-[bis(methylsu... CAS#:3764-01-0 2,4,6-Trichloro... CAS#:14077-84-0 2,4,6(1H,3H,5H)...
CAS#:141266-44-6 EM20-25 CAS#:14167-75-0 1,3,5,5-tetraki... CAS#:480-68-2 5-Nitrobarbitur... CAS#:50270-27-4 2,4,6-Trichloro...
CAS#:504-07-4 Dihydrouracil CAS#:4270-27-3 6-Chlorouracil

HS Code	2933520000
Summary	HS: 2933520000. pyrimidine-2,4,6(1h,3h,5h)-trione. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tarrif:6.5%. general tariff:20.0%

Pyrimidinetriol

Hydrouracil, 6-hydroxy-

Barbitursure

Balonylurea acid

T6VMVMV FHJ

Barbituric acid

N,N'-MALONYLUREA

barbituric

2,4,6-Trioxohexahydropyrimidine

Malonylurea

Pyrimidin-2,4,6(1H,3H,5H)-trion

2,4,6-Pyrimidinetrione

pyrimidine-2,4,6-trione

2,4,6(1H,3H,5H)-Pyrimidinetrione

ARBIBTONE ACID

4,6-Dihydroxy-2(5H)-pyrimidinone

2,4,6-Trihydroxypyrimidine

6-HYDROXYURACIL

EINECS 200-658-0

2(5H)-Pyrimidinone, 4,6-dihydroxy-

pyrimidine-2,4,6(1H,3H,5H)-trione

MFCD00006666

BarbituricAcidGr

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Barbituric acid
Price: Check
Purity: 99.5%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Barbituric acid
Price: ￥525.0/500g ￥165.0/100g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Barbituric acid_
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Barbituric acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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Barbituric acid

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

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Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.