Sodium O,O-dimethyl thiophosphate

Sodium O,O-dimethyl thiophosphate - Names and Identifiers

Name	Sodium O,O-dimethyl thiophosphate
Synonyms	sodium O,O-dimethyl thiophosphate Sodium O,O-dimethyl thiophosphate O,O-Dimethyl thiophosphate sodium salt O,O-Dimethylphosphorothioic acid sodium salt Thiophosphoric acid O,O-dimethyl O-sodium salt sodium o,o-dimethylphosphorothioate sodium salt Phosphorothioic acid O,O-dimethyl O-sodium salt Sodium O,O-Dimethyl Thiophosphate (Technical grade) PHOSPHOROTHIOIC ACID, O,O-DIMETHYL ESTER, SODIUM SALT
CAS	23754-87-2
EINECS	245-866-2
InChI	InChI=1/C2H7O3PS.Na/c1-4-6(3,7)5-2;/h1-2H3,(H,3,7);/q;+1/p-1

Sodium O,O-dimethyl thiophosphate - Physico-chemical Properties

Molecular Formula	C2H6NaO2PS2
Molar Mass	180.161371
Melting Point	200 °C (decomp)
Storage Condition	2-8℃
Physical and Chemical Properties	EPA Chemical Information Phosphorothioic acid, O,O-dimethyl ester, sodium salt (1:1) (23754-87-2)

Sodium O,O-dimethyl thiophosphate - Upstream Downstream Industry

Raw Materials	4-dimethoxyphosphinothioyloxy-3-methyl-benzonitrile CYANOPHOS Dimethyl phosphite
Downstream Products	Dibenzoic thioanhydride

Sodium O,O-dimethyl thiophosphate - Introduction

Sodium O,O-dimethyl thiophosphate, chemical formula (CH3O)2PSNA, is an organic phosphate compound. Its properties are as follows:

1. Appearance: Sodium O,O-dimethyl thiophate is usually a colorless to light yellow solid.
2. Solubility: It has low solubility in water and can be well dissolved in organic solvents (such as alcohols and ethers).
3. Stability: It is not very stable to air and humidity, and easily reacts with moisture.
4. Reactivity: Sodium O,O-dimethyl thiophosphate is an effective electrophile, commonly used in phosphate esterification and sulfurization reactions.

Sodium O,O-dimethyl thiophosphate Main uses include:

1. Organic synthesis: As a reagent for the phosphorylation reaction, it can be used to synthesize different types of organic phosphates.
2. Fire retardant: due to the existence of its phosphoric acid and Thio groups, Sodium O,O-dimethyl thiophosphate can be used as flame retardants, can be added to plastics, coatings and adhesives to improve the fire resistance of materials.
3. Pesticides and insecticides: Sodium O,O-dimethyl thiophate is also used as a raw material for some pesticides and insecticides.

Sodium O, the preparation method of O-dimethyl thiophosphate generally generates dimethyl thiophosphate through the reaction of elemental sulfur and methanol, and then reacts with Sodium hydroxide to generate Sodium O to O-dimethyl thiophosphate.

Regarding safety information, Sodium O,O-dimethyl thiophosphate is an organic phosphorus compound, which is a toxic substance. Appropriate safety precautions should be taken during use or handling, such as wearing protective glasses, gloves and protective clothing. Avoid direct contact with skin and eyes, and ensure that you operate in a well-ventilated environment. In case of inhalation or contact with Sodium O,O-dimethyl thiophosphate, the affected area should be cleaned immediately and medical attention should be sought. When storing and handling Sodium O,O-dimethyl thiophosphate, keep away from inflammables and oxidants, and avoid mixing with acidic substances.

Last Update：2024-04-10 22:29:15