Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Coralox
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Purity: 95.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl diethyl phosphate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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321-54-0

321-54-0 structure

321-54-0 structure

Name: Coralox
Chemical Name: (3-chloro-4-methyl-2-oxochromen-7-yl) diethyl phosphate
CAS Number: 321-54-0
Molecular Formula: C₁₄H₁₆ClO₆P
Molecular Weight: 346.700
Catalog: Chemical pesticide Insecticide Organochlorine insecticide
Create Date: 2018-03-04 08:00:00
Modify Date: 2025-08-24 18:01:46

Name	(3-chloro-4-methyl-2-oxochromen-7-yl) diethyl phosphate
Synonyms	3-Chloro-4-methylumbelliferone Diethyl Phosphate Phosphoric acid 3-chloro-4-methyl-2; -oxo-2H-chromen-7-yl ester diethyl ; ester coumaphos oxon Coralox COUMAPHOSOXON Coroxon 3-Chloro-7-hydroxy-4-methylcoumarin Diethyl Phosphate Coumaphos O-analog O,O-Diethyl O-7-(3-Chloro-4-methylumbelliferone) Phosphate O,O-Diethyl O-(3-Chloro-4-methyl-7-coumarinyl) Phosphate 3-Chloro-4-methyl-7-coumarinyl diethyl phosphate Co-Ral oxygen analog 3-Chloro-4-methyl-2-oxo-2H-chromen-7-yl diethyl phosphate Phosphoric acid, 3-chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl diethyl ester Coumaphos Oxygen Analog 3-Chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl diethyl phosphate EINECS 206-288-6 Phosphoric Acid 3-Chloro-4-methyl-2-oxo-2H-1-benzopyran-7-yl Diethyl Ester Diethyl 3-chloro-4-methyl-7-coumarinyl phosphate

Density	1.4±0.1 g/cm3
Boiling Point	433.7±45.0 °C at 760 mmHg
Molecular Formula	C₁₄H₁₆ClO₆P
Molecular Weight	346.700
Flash Point	347.0±36.4 °C
Exact Mass	346.037292
PSA	84.78000
LogP	2.68
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.542

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN5950000

CHEMICAL NAME :: Coumarin, 3-chloro-7-hydroxy-4-methyl-, diethyl phosphate

CAS REGISTRY NUMBER :: 321-54-0

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C14-H16-Cl-O6-P

MOLECULAR WEIGHT :: 346.72

WISWESSER LINE NOTATION :: T66 BOVJ DG E1 IOPO&O2&O2

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 :: 10 mg/kg

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

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1141,1986

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 2200 ug/kg

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

REFERENCE :: BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 16,1183,1967 *** REVIEWS *** TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 46,1,1973

RIDADR	UN 2783
Packaging Group	II
Hazard Class	6.1(a)
HS Code	2932209090

Precursor 2
6174-86-3 814-49-3
DownStream 0

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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