Phthalic acid (CAS 88-99-3) — formula C8H6O4, molecular weight 166.13; category organic chemicals.
Phthalic acid (CAS 88-99-3) is a chemical raw material in the organic chemicals category. Its molecular formula C8H6O4 comprises 8 C, 6 H, 4 O atoms. Its molecular weight is about 166.13. Reported physicochemical data: melting point around 230, LogP about 0.7. 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 | 88-99-3 |
|---|---|
| Molecular Formula | C8H6O4 |
| Molecular Weight | 166.13 |
| Melting Point | 230 |
| LogP | 0.7 |
| Applications | Transformation products, METABOLITES, analytical and laboratory reagent and to make medicines, dyes, phenolphthalein, phthalimide |
| Category | Organic Chemicals |
Documented applications: Transformation products, METABOLITES, analytical and laboratory reagent and to make medicines, dyes, phenolphthalein, phthalimide.
Phthalic acid is a carbon-based organic compound with CAS registry number 88-99-3 and molecular formula C8H6O4 (molecular weight 166.13), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 88-99-3
Its molecular formula C8H6O4 comprises 8 C, 6 H, 4 O atoms.
Also known as: Phthalic acid · 邻苯二甲酸
Category: organic chemicals
The CAS registry number of Phthalic acid is 88-99-3.
Molecular formula C8H6O4, molecular weight 166.13.
It is also registered under: Phthalic acid, 邻苯二甲酸.
Recorded applications: Transformation products, METABOLITES, analytical and laboratory reagent and to make medicines, dyes, phenolphthalein, phthalimide.
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 Phthalic acid (CAS 88-99-3), compiled from public chemistry databases.
| CAS Registry Number | 88-99-3 |
|---|---|
| PubChem CID | 1017 |
| Molecular formula | C8H6O4 |
| IUPAC name | phthalic acid |
| UNII (FDA) | 6O7F7IX66E |
| Molecular Weight | 166.13 |
|---|---|
| XLogP3 | 0.7 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 166.02660867 |
| Monoisotopic Mass | 166.02660867 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 12 |
| Melting Point | 230 |
|---|---|
| Melting Point | Decomposes at 230 °C |
| Melting Point | 205 - 230 °C |
| Melting Point | 410-412 °F |
| Flash Point | 334 °F (NTP, 1992) |
| Flash Point | 334 °F (168 °C) (Closed cup) |
| Flash Point | 168 °C c.c. |
| Flash Point | 334 °F |
| Solubility | 7010 |
| Solubility | In water, 6,965 mg/L at 25 °C |
phthalic acid; 88-99-3; 1,2-benzenedicarboxylic acid; o-phthalic acid; benzene-1,2-dicarboxylic acid; o-dicarboxybenzene; o-benzenedicarboxylic acid; Acide phtalique; Kyselina ftalova; ortho-phthalic acid; DTXSID8021484; 6O7F7IX66E; NSC-5348; DTXCID901484; CHEBI:29069; hydron;phthalate
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS |
|---|---|
| GHS notification summary | 1.1% (3 / 284) |
| GHS notification summary | 1.1% (3 / 284) |
|---|---|
| Reported hazard statements | H315 (47.5%), H318 (15.8%), H319 (83.1%), H335 (83.5%) |
H360D ***: May damage the unborn child [Danger Reproductive toxicity]
P203, P280, P318, P405, and P501 (click each P-code to see the statement)
Phthalic acid · CAS 88-99-3 · C8H6O4. UNII 6O7F7IX66E. Melting Point: 230; Melting Point: Decomposes at 230 °C; Melting Point: 205 - 230 °C.
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