Acephate

Description

Acephate · CAS 30560-19-1 · C4H10NO3PS. UNII 3Y417O444D. Melting Point: 92-93 °C; Solubility: In water, 818,000 mg/L at 25 °C; Density: 1.35.

Identification

CAS Registry Number	30560-19-1
PubChem CID	1982
Molecular formula	C4H10NO3PS
IUPAC name	N-[methoxy(methylsulfanyl)phosphoryl]acetamide
UNII (FDA)	3Y417O444D

Computed Descriptors

Molecular Weight	183.17
XLogP3	-0.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	3
Exact Mass	183.01190135
Monoisotopic Mass	183.01190135
Topological Polar Surface Area	80.7
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Melting Point	92-93 °C
Solubility	In water, 818,000 mg/L at 25 °C
Density	1.35
Density	1.4 g/cm³
Vapor Pressure	0.0000017 [mmHg]
Vapor Pressure	1.7X10-6 mm Hg at 25 °C
LogP	log Kow = -0.85
LogP	-0.9
LogP	-0.46
Collision Cross Section	139.15 Ų [M+Na]+

Physical description & handling notes

• Acephate appears as a white solid. Used as a contact and systemic insecticide.
• Colorless to white solid; [HSDB] Colorless crystalline solid with a stench; [MSDSonline]
• COLOURLESS CRYSTALS OR WHITE POWDER WITH CHARACTERISTIC ODOUR.
• Colorless crystals
• Colorless to white solid
• 82-89 °C /Technical grade 82-90% purity/

GHS Hazard Classification

Reported hazard statements	H302, H351, H360, H370, H372, H402, H412, H401

Documented Uses

• Used as a contact and systemic insecticide for field, fruit, and vegetable crops, forestry, food handling, ornamentals, and household applications; Also used for control of parasites in farm animals; [HSDB] Used in industrial, commercial, and other public and non-agricultural areas; [Reference #1]
• Banned in the EU for use as a biocide and agricultural insecticide; [eChemPortal: ESIS]
• Insecticide; For use on beans, Brussels sprouts, cauliflower, celery, cotton, cranberries, head lettuce, mint, peanuts, peppers, tobacco, ornamentals, and forests.
• Acephate ... is used to control insects and aphids in ornamentals, where it has a reasonably broad spectrum. It is also cleared for use on beans, cotton, head lettuce, celery, soybeans, and bell peppers. It controls parasites of cattle, goats, hogs, horses, poultry, and sheep, where tolerances have been set for milk, eggs, fat, and meat.
• Acephate ... is used for household use or golf course spray. /From table/
• For more Uses (Complete) data for ACEPHATE (6 total), please visit the HSDB record page.

Synonyms

acephate; 30560-19-1; Orthene; Acetamidophos; Ortran; N-[methoxy(methylsulfanyl)phosphoryl]acetamide; Ortril; Acetylphosphoramidothioic acid O,S-dimethyl ester; Acephat; Chevron Orthene; O,S-Dimethylacetylphosphoroamidothioate; Acephate, technical; Chevron RE 12,420; Ortho 124120; Phosphoramidothioic acid, acetyl-, O,S-dimethyl ester; N-(Methoxy(methylthio)phosphinoyl)acetamide

Frequently Asked Questions

What are the CAS number and molecular formula of Acephate?

CAS 30560-19-1; molecular formula C4H10NO3PS; molecular weight — g/mol.

What other names is Acephate known by?

acephate, 30560-19-1, Orthene, Acetamidophos, Ortran, N-[methoxy(methylsulfanyl)phosphoryl]acetamide.

Is Acephate classified as hazardous?

Hazard statements reported: H302, H351, H360, H370, H372.

What are the key physical properties of Acephate?

Melting Point: 92-93 °C; Solubility: In water, 818,000 mg/L at 25 °C; Density: 1.35; Density: 1.4 g/cm³.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.