4376-18-5

4376-18-5 structure

Name: Monomethyl phthalate
Chemical Name: methyl hydrogen phthalate
CAS Number: 4376-18-5
Molecular Formula: C₉H₈O₄
Molecular Weight: 180.157
Catalog: Chemical reagent Organic reagent Ester Methyl ester compound
Create Date: 2018-03-16 08:00:00
Modify Date: 2025-08-21 15:16:40
Monomethyl phthalate is a phthalate metabolite. Monomethyl phthalate acts as a urinary biomarker of phthalates exposure and can be used as a standard for the determination of thyroid cancer and benign nodule[1].

Name	methyl hydrogen phthalate
Synonyms	1,2-Benzenedicarboxylic acid, monomethyl ester Phthalic acid methyl ester 2-methoxycarbonylbenzoic acid 2-(Methoxycarbonyl)benzoic acid Monomethyl phthalate METHYL HYDROGEN PHTHALATE phthalic acid, mono-methyl ester MFCD00002466 1,2-Benzenedicarboxylic acid monomethyl ester EINECS 224-476-6 Phthalic acid monomethyl ester mono-Methyl phthalate

Description	Monomethyl phthalate is a phthalate metabolite. Monomethyl phthalate acts as a urinary biomarker of phthalates exposure and can be used as a standard for the determination of thyroid cancer and benign nodule[1].
Related Catalog	Research Areas >> Cancer
References	[1]. Chong Liu, et al. Urinary biomarkers of phthalates exposure and risks of thyroid cancer and benign nodule. J Hazard Mater. 2020 Feb 5;383:121189.

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3