cyanophos

Modify Date: 2025-08-24 17:45:12

cyanophos structure	Common Name	cyanophos
	CAS Number	2636-26-2	Molecular Weight	243.219
	Density	1.3±0.1 g/cm3	Boiling Point	322.3±44.0 °C at 760 mmHg
	Molecular Formula	C₉H₁₀NO₃PS	Melting Point	14-15ºC
	MSDS	Chinese USA	Flash Point	148.7±28.4 °C
	Symbol	GHS07, GHS09	Signal Word	Warning

Name	cyanophos
Synonym	More Synonyms

Density	1.3±0.1 g/cm3
Boiling Point	322.3±44.0 °C at 760 mmHg
Melting Point	14-15ºC
Molecular Formula	C₉H₁₀NO₃PS
Molecular Weight	243.219
Flash Point	148.7±28.4 °C
Exact Mass	243.011902
PSA	93.38000
LogP	2.71
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.554
InChIKey	SCKHCCSZFPSHGR-UHFFFAOYSA-N
SMILES	COP(=S)(OC)Oc1ccc(C#N)cc1

cyanophos MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TF7600000

CHEMICAL NAME :: Phosphorothioic acid, O,O-dimethyl ester, O-ester with p-hydroxybenzonitrile

CAS REGISTRY NUMBER :: 2636-26-2

LAST UPDATED :: 199612

DATA ITEMS CITED :: 12

MOLECULAR FORMULA :: C9-H10-N-O3-P-S

MOLECULAR WEIGHT :: 243.23

WISWESSER LINE NOTATION :: NCR DOPS&O1&O1

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 :: 215 mg/kg

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

REFERENCE :: ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 26,257,1962

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 800 mg/kg

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

REFERENCE :: 28ZEAL "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969 Volume(issue)/page/year: 5,62,1976

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 720 mg/kg

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

REFERENCE :: YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 37,427,1986

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

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

REFERENCE :: ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 26,257,1962

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 350 mg/kg

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

REFERENCE :: ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 26,257,1962

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1080 mg/kg

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

REFERENCE :: ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 26,257,1962

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 23500 ug/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 11,49,1967

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 2010 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 21(7),34,1977

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - wild bird species

DOSE/DURATION :: 3 mg/kg

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

REFERENCE :: JTCEEM Journal de Toxicologie Clinique et Experimentale. (SPPIF, B.P.22, F-41353 Vineuil, France) V.5- 1985- Volume(issue)/page/year: 6(3),175,1986 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 365 mg/kg/1Y-I

TOXIC EFFECTS :: Behavioral - alteration of operant conditioning

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 48(9),76,1983

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 980 mg/kg/2W-C

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 11,,49,1967 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.3 mg/m3 JAN 1993

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H302 + H312-H410
Precautionary Statements	P273-P280-P501
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi
Risk Phrases	R21/22
Safety Phrases	36/37-60-61
RIDADR	3018
RTECS	TF7600000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2926909032

HS Code	2926909032
Summary	2926909032 o-(4-cyanophenyl) o,o-dimethyl phosphorothioate。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

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[Health standardization of Cyanox in water].

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[Contamination of sugar cane by 2 bird poisons: fenthion and cyanophos. Evaluation of residues in sugar cane juice transformed into sugar].

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Caswell No. 268A

Sumitomo S 4084

Phosphorothioic Acid O,O-Dimethyl Ester O-Ester with p-Hydroxybenzonitrile

Sunitomo S 4084

Ciafos

Cyanox

4-dimethoxyphosphinothioyloxybenzonitrile

Phosphorothioic Acid O-(4-Cyanophenyl) O,O-Dimethyl Ester

Phosphorothioic acid, O-(4-cyanophenyl) O,O-dimethyl ester

O-(4-Cyanphenyl)-O,O-dimethylthiophosphat

Thiophosphate de O-(4-cyanophényle) et de O,O-diméthyle

Cynock

cyanophos

O-4-cyanophenyl O,O-dimethyl phosphorothioate

O,O-dimethyl O-4-cyanophenyl phosphorothioate

May & baker S 4084

EINECS 220-130-3

O,O-dimethyl-o-p-cyanophenyl phosphorothioate

O-(4-Cyanophenyl) O,O-dimethyl phosphorothioate

MFCD00055485

O,O-Dimethyl O-(4-Cyanophenyl) Phosphorothioate

CYAP

O-p-cyanophenyl O,O-dimethyl phosphorothioate

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Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Customs

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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.