Methyl hydrogen phthalate (CAS 4376-18-5) — formula C9H8O4, molecular weight 180.16; category organic chemicals.
Methyl hydrogen phthalate (CAS 4376-18-5) is a chemical raw material in the organic chemicals category. Its molecular formula C9H8O4 comprises 9 C, 8 H, 4 O atoms. Its molecular weight is about 180.16. Reported physicochemical data: melting point around 82 - 84 °C, LogP about 1.13. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 4376-18-5 |
|---|---|
| Molecular Formula | C9H8O4 |
| Molecular Weight | 180.16 |
| Melting Point | 82 - 84 °C |
| LogP | 1.13 |
| Applications | Monomethyl phthalate is a metabolite, or breakdown product, of dimethyl phthalate, insect repellant, plastic, and as a rocket propellant |
| Category | Organic Chemicals |
Documented applications: Monomethyl phthalate is a metabolite, or breakdown product, of dimethyl phthalate, insect repellant, plastic, and as a rocket propellant.
Methyl hydrogen phthalate is a carbon-based organic compound with CAS registry number 4376-18-5 and molecular formula C9H8O4 (molecular weight 180.16), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 4376-18-5
Its molecular formula C9H8O4 comprises 9 C, 8 H, 4 O atoms.
Also known as: Methyl hydrogen phthalate · 邻苯二甲酸氢甲酯
Category: organic chemicals
The CAS registry number of Methyl hydrogen phthalate is 4376-18-5.
Molecular formula C9H8O4, molecular weight 180.16.
It is also registered under: Methyl hydrogen phthalate, 邻苯二甲酸氢甲酯.
Recorded applications: Monomethyl phthalate is a metabolite, or breakdown product, of dimethyl phthalate, insect repellant, plastic, and as a rocket propellant.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Methyl hydrogen phthalate (CAS 4376-18-5), compiled from public chemistry databases.
| CAS Registry Number | 4376-18-5 |
|---|---|
| PubChem CID | 20392 |
| Molecular formula | C9H8O4 |
| IUPAC name | 2-methoxycarbonylbenzoic acid |
| UNII (FDA) | 2STT6D18JR |
| Molecular Weight | 180.16 |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 180.04225873 |
| Monoisotopic Mass | 180.04225873 |
| Topological Polar Surface Area | 63.6 |
| Heavy Atom Count | 13 |
| Melting Point | 82 - 84 °C |
|---|---|
| LogP | 1.13 |
| Collision Cross Section | 137.01 Ų [M-H]- |
| Collision Cross Section | 146.13 Ų [M+Na]+ |
2-(Methoxycarbonyl)benzoic acid; 4376-18-5; MONOMETHYL PHTHALATE; Methyl hydrogen phthalate; 1,2-Benzenedicarboxylic acid, monomethyl ester; o-(Methoxycarbonyl)benzoic acid; Phthalic acid, monomethyl ester; Monomethyl 1,2-benzenedicarboxylate; DTXSID9040001; 2STT6D18JR; NSC-8281; DTXCID7020001; 1,2-benzenedicarboxylic acid monomethyl ester; RefChem:819333; 224-476-6; mono-Methyl phthalate
| Reported hazard statements | H315 (100%), H319 (100%), H335 (97.8%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Methyl hydrogen phthalate · CAS 4376-18-5 · C9H8O4. UNII 2STT6D18JR. Melting Point: 82 - 84 °C; LogP: 1.13; Collision Cross Section: 137.01 Ų [M-H]-.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 邻苯二甲酸氢甲酯