Difenacoum

Modify Date: 2025-08-26 11:48:45

Difenacoum structure	Common Name	Difenacoum
	CAS Number	56073-07-5	Molecular Weight	444.52000
	Density	1.272 g/cm3	Boiling Point	612.8ºC at 760 mmHg
	Molecular Formula	C₃₁H₂₄O₃	Melting Point	96-98°C
	MSDS	Chinese USA	Flash Point	204.3ºC
	Symbol	GHS06, GHS08, GHS09	Signal Word	Danger

Name	difenacoum
Synonym	More Synonyms

Density	1.272 g/cm3
Boiling Point	612.8ºC at 760 mmHg
Melting Point	96-98°C
Molecular Formula	C₃₁H₂₄O₃
Molecular Weight	444.52000
Flash Point	204.3ºC
Exact Mass	444.17300
PSA	50.44000
LogP	7.02750
Index of Refraction	1.676
InChIKey	FVQITOLOYMWVFU-UHFFFAOYSA-N
SMILES	O=c1oc2ccccc2c(O)c1C1CC(c2ccc(-c3ccccc3)cc2)Cc2ccccc21

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN4934500

CHEMICAL NAME :: Coumarin, 3-(3-(4-biphenylyl)-1,2,3,4-tetrahydro-1-naphthyl)-4- hydroxy-

CAS REGISTRY NUMBER :: 56073-07-5

LAST UPDATED :: 199707

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C31-H24-O3

MOLECULAR WEIGHT :: 444.55

WISWESSER LINE NOTATION :: T66 BOVJ EQ D- GL66&TJ IR DR

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 :: 680 ug/kg

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

REFERENCE :: MRBUDF MARDI Research Bulletin. (MARDI, Secy., Publication Committee, POB 2301, Kuala Lumpur 01-02, Selangor, Malaysia) V.1- 1973- Volume(issue)/page/year: 12,194,1984

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >50 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,276,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 800 ug/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,276,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 50 mg/kg

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

REFERENCE :: 85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year: A146,1983

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 100 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,276,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 2 gm/kg

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

REFERENCE :: 85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year: A146,1983

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1 gm/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,276,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - pig

DOSE/DURATION :: 80 mg/kg

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

REFERENCE :: 85JFAN "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc. of Chemistry, 1983-86 Volume(issue)/page/year: A146,1983

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 50 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,276,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 50 mg/kg

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

REFERENCE :: DEVEAA Defense des Vegetaux. (Federation Nationale des Groupements de Protection des Cultures, 149, rue de Bercy, 75595 Paris Cedex, 12, France) V.1- 1947- Volume(issue)/page/year: 32,27,1978

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - domestic

DOSE/DURATION :: 100 mg/kg

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

REFERENCE :: DEVEAA Defense des Vegetaux. (Federation Nationale des Groupements de Protection des Cultures, 149, rue de Bercy, 75595 Paris Cedex, 12, France) V.1- 1947- Volume(issue)/page/year: 32,27,1978

Symbol	GHS06, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H300-H372-H410
Precautionary Statements	P264-P273-P301 + P310-P314-P501
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	T+, N
Risk Phrases	R28;R48/25;R50/53
Safety Phrases	S36/37-S45-S60-S61
RIDADR	3027
Packaging Group	I
Hazard Class	6.1(a)

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Difenacoum

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WBA 8107

Difenacoum [BSI:ISO]

MFCD01632770

Diphenacoum

4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one

EINECS 259-978-4

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Difenakum [Czech]

3-[(1RS,3RS

1RS,3SR)-3-biphenyl-4-yl-1,2,3,4-tetrahydro-1-naphthyl]-4-hydroxycoumarin

3-[(1Ξ,3Ξ)-3-[1,1’-biphenyl]-4-yl-1,2,3,4-tetrahydronaphthalen-1-yl]-4-hydroxy-2H-1-benzopyran-2-one

Neosorexa PP580

Ratak

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Difenacoum
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Difenacoum
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Articles26

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.