Heterophos

Also known as: Heterofos, Phostil, O-Ethyl O-Phenyl S-Propyl Phosphorothioate, Phosphorothioic acid, O-ethyl O-phenyl S-propyl ester, O-ethyl-S-n-propyl-O-phenylthiophosphate, O-ethyl-S-propyl-O-phenyl phosphothiolate, [ethoxy(propylsulfanyl)phosphoryl]oxybenzene, Thiophosphoric acid O-ethyl O-phenyl S-propyl ester

Heterophos (CAS 40626-35-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H17O3PS and a molecular weight of 260.29000 g/mol. Key properties include a boiling point of 331.6ºC at 760mmHg, a density of 1.162g/cm3 and a flash point of 154.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40626-35-5
Jingsj CID: J-1346377-1
Molecular Formula: C₁₁H₁₇O₃PS
Molecular Weight: 260.29000 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	331.6ºC at 760mmHg
Density	1.162g/cm3
Flash Point	154.4ºC
Exact Mass	260.06400
PSA	70.64000
LogP	4.35320
Refractive Index	1.519

Customs & Trade Information

HS Code	2920190090
Summary	2920190090 other thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Heterophos?

The CAS number of Heterophos is 40626-35-5.

What are the molecular formula and molecular weight of Heterophos?

Heterophos has molecular formula C11H17O3PS and molecular weight 260.29000 g/mol.

What are the upstream and downstream products of Heterophos?

For Heterophos, Downstream Products: Ethyl dichlorophosphate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Heterophos (CAS 40626-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1346377-1 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.