Chromocarb

Modify Date: 2025-08-25 12:33:10

Chromocarb Structure
Chromocarb structure
Common Name Chromocarb
CAS Number 4940-39-0 Molecular Weight 190.152
Density 1.5±0.1 g/cm3 Boiling Point 337.0±42.0 °C at 760 mmHg
Molecular Formula C10H6O4 Melting Point 260 °C (dec.)(lit.)
MSDS N/A Flash Point 138.9±21.4 °C

 Use of Chromocarb


Chromocarb is a synthetic vasoprotectant.

 Names

Name 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Synonym More Synonyms

 Chromocarb Biological Activity

Description Chromocarb is a synthetic vasoprotectant.
Related Catalog

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 337.0±42.0 °C at 760 mmHg
Melting Point 260 °C (dec.)(lit.)
Molecular Formula C10H6O4
Molecular Weight 190.152
Flash Point 138.9±21.4 °C
Exact Mass 190.026611
PSA 67.51000
LogP 1.65
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.640
Water Solubility sparingly soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2476000
CHEMICAL NAME :
4H-1-Benzopyran-2-carboxylic acid, 4-oxo-
CAS REGISTRY NUMBER :
4940-39-0
BEILSTEIN REFERENCE NO. :
0146442
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C10-H6-O4
MOLECULAR WEIGHT :
190.16
WISWESSER LINE NOTATION :
T66 BO EVJ CVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
585 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHTXA6 Pharmacology and Toxicology. English translation of FATOAO. (New York, NY) V.20-22, 1957-59. Discontinued. Volume(issue)/page/year: 21,555,1958

 Safety Information

Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
WGK Germany 3
RTECS DJ2476000
HS Code 2918300090

 Customs

HS Code 2918300090
Summary 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Synonyms

4H-1-Benzopyran-2-carboxylic acid, 4-oxo-
LP 1
MFCD00006838
Chromocarb
2-Chromonecarboxylic Acid
EINECS 225-583-0
4-oxochromene-2-carboxylic acid
4-Oxo-4H-chromene-2-carboxylic acid
Benzo-γ-pyronecarboxylic Acid
ChroMone-2-carboxylic Acid
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