Pamoic acid, 98%
Synonyms: 1,1'-Methylene-bis(2-hydroxy-3-naphthoic acid) · 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid) · Embonic acid · 2-Naphthalenecarboxylic acid, 4,4'-methylenebis[3-hydroxy-
Pamoic acid (CAS 130-85-8) – carboxylic acid, Synthesis grade, 98%. C23H16O6, MW 388.4. Request a quote: COA, bulk packs and worldwide export.
About Pamoic acid, 98%
Pamoic acid is a carboxylic acid in Synthesis grade carrying the CAS registry number 130-85-8, specified at 98% purity. Its molecular formula is C23H16O6 and its molecular weight is 388.4 g/mol. Its systematic (IUPAC) name is 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid. Common synonyms include 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid) and Embonic acid.
The material typically appears as a faint yellow to yellow powder. Key physical data: a melting point of ≥300 °C (dec.). Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.
It is commonly used for pharmaceutical synthesis and organic synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies Pamoic acid in 25 g, 100 g, 500 g and 5 x 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Pharmaceutical synthesis
- Organic synthesis
Industries
Specifications & identifiers
| Product name | Pamoic acid, 98% |
|---|---|
| Catalogue No. | VQ-008568 |
| CAS Number | 130-85-8 |
| IUPAC name | 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid |
| Molecular formula | C23H16O6 |
| Molecular weight | 388.4 g/mol |
| Exact mass | 388.0947 |
| Grade | Synthesis |
| Purity / assay | 98% |
| HSN code | 29420090 |
| InChIKey | WLJNZVDCPSBLRP-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C=C(C(=C2CC3=C(C(=CC4=CC=CC=C43)C(=O)O)O)O)C(=O)O |
| PubChem CID | 8546 |
| Physical form | Powder |
|---|---|
| Appearance | Faint yellow to yellow powder |
| Melting point | ≥300 °C (dec.) |
| LogP (XLogP3) | 5.8 |
| H-bond donors / acceptors | 4 / 6 |
| TPSA | 115 Ų |
| Synonyms | 1,1'-Methylene-bis(2-hydroxy-3-naphthoic acid), 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid), Embonic acid, 2-Naphthalenecarboxylic acid, 4,4'-methylenebis[3-hydroxy-, 2-Naphthalenecarboxylic acid, 4,4'-methylenebis(3-hydroxy-, 4,4'-methylenebis(3-hydroxynaphthalene-2-carboxylic acid), 4-((3-carboxy-2-hydroxynaphthalen-1-yl)methyl)-3-hydroxynaphthalene-2-carboxylic acid, 4,4'-methylenebis(3-hydroxy-2-naphthalenecarboxylic acid), 2-Naphthoic acid, 4,4'-methylenebis(3-hydroxy-, 4-[(3-carboxy-2-hydroxy-1-naphthyl)methyl]-3-hydroxy-naphthalene-2-carboxylic acid, 4-[(3-carboxy-2-oxidanyl-naphthalen-1-yl)methyl]-3-oxidanyl-naphthalene-2-carboxylic acid, 4,4'-Methylen-bis-(3-hydroxy-2-naphthoesaeure) |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritationH412Harmful to aquatic life with long lasting effects
Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Pamoic acid, 98%?
The CAS Registry Number of Pamoic acid, 98% is 130-85-8. It is also known as 1,1'-Methylene-bis(2-hydroxy-3-naphthoic acid), 4,4'-Methylenebis(3-hydroxy-2-naphthoic acid), Embonic acid.
What is the molecular formula and molecular weight of Pamoic acid, 98%?
Pamoic acid, 98% has the molecular formula C23H16O6 and a molecular weight of 388.4 g/mol. Its IUPAC name is 4-[(3-carboxy-2-hydroxynaphthalen-1-yl)methyl]-3-hydroxynaphthalene-2-carboxylic acid.
Which grade and pack sizes of Pamoic acid, 98% can I order?
We supply Pamoic acid, 98% in Synthesis (98%) grade, in 25 g, 100 g, 500 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Pamoic acid, 98%?
Yes. Every lot of Pamoic acid, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Pamoic acid, 98% be shipped internationally?
Yes. Pamoic acid, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Pamoic acid, 98%
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