Molekula
5-Hydroxyisophthalic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
5-Hydroxyisophthalic acid is a dicarboxylic acid used in organic synthesis and as a building block for polymers and pharmaceuticals. It appears as a white to off-white crystalline powder. CAS: 618-83-7, Molecular Formula: C8H6O5, Molecular Weight: 182.13 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies 5-Hydroxyisophthalic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £49.20 per pack ex VAT · £59.04 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
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Specifications
| Property | Value |
|---|---|
| Appearance | Off-white solid |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 24242615 |
| CAS Number | 618-83-7 |
| IUPAC Name | 5-hydroxybenzene-1,3-dicarboxylic acid |
| EC Number | 210-565-7 |
| Molecular Formula | HOC6H3-1,3-(CO2H)2 |
| Molecular Weight | 182.13 |
| Exact Mass | 182.0215 |
| SMILES | C1=C(C=C(C=C1C(=O)O)O)C(=O)O |
| InChIKey | QNVNLUSHGRBCLO-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H6O5/c9-6-2-4(7(10)11)1-5(3-6)8(12)13/h1-3,9H,(H,10,11)(H,12,13) |
| PubChem CID | 69257 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2918296500 |
| Tariff Code | 2918290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,3-Benzenedicarboxylic acid, 5-hydroxy-
- 3,5-dicarboxyphenol
- 5-HIPA
- 5-Hydoxyisophthalic acid
- 5-Hydroxy-1,3-benzenedicarboxylic acid
- 5-hydroxybenzene-1,3-dicarboxylic acid
- 5-Hydroxyisosphthalic acid
- 5-Oxyisophthalic acid
- Isophthalic acid, 5-hydroxy-
- QNVNLUSHGRBCLO-UHFFFAOYSA-
Frequently asked questions
What is 5-Hydroxyisophthalic acid used for?
It is primarily used as a building block in the synthesis of polymers and specialty chemicals, particularly in the development of high-performance materials and pharmaceutical intermediates.
What is the chemical formula and molecular weight of 5-Hydroxyisophthalic acid?
The formula is HOC6H3-1,3-(CO2H)2 and the molecular weight is 182.13 g/mol.
How should 5-Hydroxyisophthalic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 5-Hydroxyisophthalic acid?
Molekula supplies 5-Hydroxyisophthalic acid in technical grade; custom purity levels may be available upon request.
Can Molekula supply 5-Hydroxyisophthalic acid in bulk?
Yes, Molekula can supply 5-Hydroxyisophthalic acid in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of 5-Hydroxyisophthalic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.