Chromocarb
Names
[ CAS No. ]:
4940-39-0
[ Name ]:
Chromocarb
[Synonym ]:
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
Biological Activity
[Description]:
[Related Catalog]:
[Related Small Molecules]
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
MSDS
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%