Phthalic acid
Phthalic acid (CAS 88-99-3), molecular formula C6H4-1, is a high-purity chemical supplied by Tech Serve Solutions for acids & bases applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 1,2-Benzenedicarboxylic acid
- Synonyms
- 2-(CO2H)2
| Molecular weight | 166.13 |
|---|---|
| Linear formula | C6H4-1,2-(CO2H)2 |
| Assay | ≥99.5% |
| Grade | ACS reagent |
| Impurities tested | ≤0.05% insolubles≤0.5% water |
| Melting point | 210-211 °C (dec.)(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
| Cation traces | Fe: ≤0.001%heavy metals: ≤0.001% |
| Anion traces | chloride (Cl-): ≤0.001%nitrate (NO3-): ≤0.005%sulfate (SO42-): ≤0.005% |
| Ignition residue | ≤0.02% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Phthalic acid?
+
Phthalic acid (CAS 88-99-3), molecular formula C6H4-1, is a high-purity chemical supplied by Tech Serve Solutions for acids & bases applications, to USP, BP and EP standards.
What grades of Phthalic acid does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Phthalic acid in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Phthalic acid?
+
Phthalic acid has CAS number 88-99-3 and molecular formula C6H4-1. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Phthalic acid?
+
Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
+
Yes. Every batch of Phthalic acid ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Phthalic acid be stored?
+
Store Phthalic acid in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Phthalic acid used for?
+
Phthalic acid is used in acids & bases applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Phthalic acid?
+
Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
▶ Related products
5-Sulfosalicylic acid dihydrate
HO3SC6H3-2-(OH)CO2H 2H2O
Acids & Bases
Calcium hydroxide
Ca(OH)2
Acids & Bases
Acetic acid-12C2
12CH312CO2H
Acids & Bases
Acetic acid-13C2
13CH313CO2H
Acids & Bases
Acetic acid-13C2,d4
Acids & Bases
Acetic acid-17O2
CH3C17O2H
Acids & Bases
Acetic acid-18O2
CH3C18O2H
Acids & Bases
Acetic acid-2,2,2-d3
2-d3
Acids & Bases
