4-Hydroxybenzoic Acid (CAS 99-96-7) — formula C7H6O3, molecular weight 138.12; category fine chemicals.
4-Hydroxybenzoic Acid (CAS 99-96-7) is a chemical raw material in the fine chemicals category. Its molecular formula C7H6O3 comprises 7 C, 6 H, 3 O atoms. Its molecular weight is about 138.12. Reported physicochemical data: melting point around 214.5 °C, boiling point around 334.00 to 335.00 °C. @ 760.00 mm Hg, LogP about log Kow=1.58. 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 | 99-96-7 |
|---|---|
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 |
| Melting Point | 214.5 °C |
| Boiling Point | 334.00 to 335.00 °C. @ 760.00 mm Hg |
| LogP | log Kow=1.58 |
| Applications | CIR ingredient: 4-Hydroxybenzoic Acid, intermediate for dyes, fungicides, cosmetics, and drugs, as a food preservative |
| Category | Fine Chemicals|Pharmaceutical Intermediates |
Documented applications: CIR ingredient: 4-Hydroxybenzoic Acid, intermediate for dyes, fungicides, cosmetics, and drugs, as a food preservative.
4-Hydroxybenzoic Acid is a high-value fine compound with CAS registry number 99-96-7 and molecular formula C7H6O3 (molecular weight 138.12), belonging to the fine chemicals segment of chemical raw materials.
CAS number: 99-96-7
Its molecular formula C7H6O3 comprises 7 C, 6 H, 3 O atoms.
Also known as: 4-Hydroxybenzoic Acid · 4-羟基苯甲酸
Category: fine chemicals / pharmaceutical intermediates and APIs
The CAS registry number of 4-Hydroxybenzoic Acid is 99-96-7.
Molecular formula C7H6O3, molecular weight 138.12.
It is also registered under: 4-Hydroxybenzoic Acid, 4-羟基苯甲酸.
Recorded applications: CIR ingredient: 4-Hydroxybenzoic Acid, intermediate for dyes, fungicides, cosmetics, and drugs, as a food preservative.
Category: Fine Chemicals / Pharmaceutical Intermediates.
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 4-Hydroxybenzoic Acid (CAS 99-96-7), compiled from public chemistry databases.
| CAS Registry Number | 99-96-7 |
|---|---|
| PubChem CID | 135 |
| Molecular formula | C7H6O3 |
| IUPAC name | 4-hydroxybenzoic acid |
| UNII (FDA) | JG8Z55Y12H |
| FEMA number | 3986 |
| JECFA number | 957 |
| Molecular Weight | 138.12 |
|---|---|
| XLogP3 | 1.6 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 138.031694049 |
| Monoisotopic Mass | 138.031694049 |
| Topological Polar Surface Area | 57.5 |
| Heavy Atom Count | 10 |
| Boiling Point | 334.00 to 335.00 °C. @ 760.00 mm Hg |
|---|---|
| Melting Point | 214.5 °C |
| Melting Point | 213.00 to 215.00 °C. @ 760.00 mm Hg |
| Solubility | In water, 5000 mg/L at 25 °C |
| Solubility | 5.0 mg/mL |
| Density | 1.46 g/cu cm @ 25 °C |
| Density | 1.46 @25 °C |
| Vapor Pressure | 0.00000019 [mmHg] |
| Vapor Pressure | 0.00000019 [mm Hg] @25 °C |
| LogP | log Kow=1.58 |
4-HYDROXYBENZOIC ACID; 99-96-7; p-Hydroxybenzoic acid; p-Salicylic acid; 4-Carboxyphenol; Benzoic acid, 4-hydroxy-; Benzoic acid, p-hydroxy-; para-Hydroxybenzoic acid; p-Oxybenzoesaure; DTXSID3026647; JG8Z55Y12H; NSC-4961; DTXCID806647; FEMA NO. 3986; CHEBI:30763; CHEBI:17879
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 909-JECFA 57/84 |
|---|---|
| GHS notification summary | 0.5% (2 / 425) |
| GHS notification summary | 0.5% (2 / 425) |
|---|---|
| Reported hazard statements | H315 (12.2%), H318 (85.9%), H319 (13.4%), H335 (75.3%) |
This chemical does not meet GHS hazard criteria for 0.5% (2 of 425) of reports.
H315 (12.2%): Causes skin irritation [Warning Skin corrosion/irritation]
4-Hydroxybenzoic Acid · CAS 99-96-7 · C7H6O3. UNII JG8Z55Y12H. Boiling Point: 334.00 to 335.00 °C. @ 760.00 mm Hg; Melting Point: 214.5 °C; Melting Point: 213.00 to 215.00 °C. @ 760.00 mm Hg.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 4-羟基苯甲酸