N,N'-二甲基磷酰二胺苯酯

Description

phenyl N,N'-dimethylphosphorodiamidate · CAS 1754-58-1 · C8H13N2O2P. UNII 8NX8P1GOF9. Melting Point: 101-103 °C; Vapor Pressure: 0.000362 [mmHg].

Identification

CAS Registry Number	1754-58-1
PubChem CID	15643
Molecular formula	C8H13N2O2P
IUPAC name	N-[methylamino(phenoxy)phosphoryl]methanamine
UNII (FDA)	8NX8P1GOF9

Computed Descriptors

Molecular Weight	200.17
XLogP3	0.8
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	4
Exact Mass	200.07146466
Monoisotopic Mass	200.07146466
Topological Polar Surface Area	50.4
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Melting Point	101-103 °C
Vapor Pressure	0.000362 [mmHg]

Physical description & handling notes

• Colorless or white odorless solid; [HSDB]
• WHITE CRYSTALLINE SOLID
• Colorless solid
• ODORLESS
• IN WATER 4%; SOL IN ACETONE, CHLOROFORM, METHANOL, METHYLENE CHLORIDE
• INSOL IN NON-POLAR SOLVENTS

Documented Uses

• Used as soil fumigant and nematocide; [HSDB]
• A soil fumigant and nematocide /Former use/
• Prepared by phosphorylating phenol with phosphorus oxychloride, followed by reaction with methylamine.
• PRODUCT DISCONTINUED BY THE DOW CHEMICAL CO.
• 4. 4= Very toxic; Probable oral lethal dose (human) 50-500 mg/kg; between 1 teaspoon and 1 oz for 70 kg person (150 lb).
• AFTER ADMIN OF (14)C-DIAMIDFOS TO RATS IN IV DOSES OF 1 AND 25 MG/KG, CLEARANCE OF (14)C ACTIVITY FROM PLASMA WAS BY AN APPARENT FIRST ORDER PROCESS WITH HALF-LIFE VALUES OF 2.94 AND 3.08 HR, RESPECTIVELY.

Synonyms

Diamidafos; 1754-58-1; Diamidfos; NELLITE; Diamidaphos; Dowco 169; Phenyl N,N'-dimethylphosphorodiamidate; 8NX8P1GOF9; O-Phenyl-N,N'-dimethyl phosphorodiamidate; Phosphorodiamidic acid, N,N'-dimethyl-, phenyl ester; RefChem:132610; 217-144-7; N-[methylamino(phenoxy)phosphoryl]methanamine; Diamidofos; Diamidafos [ANSI]; Caswell No. 654B

Frequently Asked Questions

What are the CAS number and molecular formula of phenyl N,N'-dimethylphosphorodiamidate?

CAS 1754-58-1; molecular formula C8H13N2O2P; molecular weight — g/mol.

What other names is phenyl N,N'-dimethylphosphorodiamidate known by?

Diamidafos, 1754-58-1, Diamidfos, NELLITE, Diamidaphos, Dowco 169.

What are the key physical properties of phenyl N,N'-dimethylphosphorodiamidate?

Melting Point: 101-103 °C; Vapor Pressure: 0.000362 [mmHg].

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.