Molekula
Methyl 4-hydroxybenzoate, sodium salt
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
Methyl 4-hydroxybenzoate, sodium salt is a sodium salt of methyl 4-hydroxybenzoate used in pharmaceutical and cosmetic formulations as a preservative. It is a white to off-white crystalline powder with a molecular formula of C8H7NaO3 and a molecular weight of 174.13 g/mol. It is stable at ambient temperatures and should be stored under normal conditions. Hazard classification includes the signal word Danger. Molekula supplies Methyl 4-hydroxybenzoate, sodium salt 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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500 g — £156.40 per pack ex VAT · £187.68 inc. VAT
Need a different quantity or pack?
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.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Water | <5% |
| Heavy metals | <0.001% |
| pH | 9.5 - 10.5 |
| Assay | 98.5 - 101.5% |
| Sulphates (SO4)(2-) | <0.03% |
| Chlorine (Cl) | <350ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 84533760 |
| CAS Number | 5026-62-0 |
| IUPAC Name | sodium 4-methoxycarbonylphenolate |
| EC Number | 225-714-1 |
| Molecular Formula | C8H7NaO3 |
| Molecular Weight | 174.13 |
| Exact Mass | 174.0293 |
| SMILES | COC(=O)C1=CC=C(C=C1)[O-].[Na+] |
| InChIKey | PESXGULMKCKJCC-UHFFFAOYSA-M |
| InChI | InChI=1S/C8H8O3.Na/c1-11-8(10)6-2-4-7(9)5-3-6;/h2-5,9H,1H3;/q;+1/p-1 |
| PubChem CID | 23663626 |
| REACH Code | Y110 |
| HTS Code | 29182965 |
| Tariff Code | 2918290060 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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
- Methylparaben sodium
- Methylparaben, sodium salt
- Nipagin m sodium
- Ns 3500s
- Paratexin ms
- Paridol mna
- Sodium 4-(methoxycarbonyl)phenolate
- Sodium 4-carbomethoxyphenolate
- sodium methyl paraben
- Solbrol m sodium salt
Frequently asked questions
What is Methyl 4-hydroxybenzoate, sodium salt used for?
It is primarily used as a preservative in pharmaceutical and cosmetic formulations due to its antimicrobial properties.
What is the chemical formula and molecular weight?
The formula is C8H7NaO3 with a molecular weight of 174.13 g/mol.
How should this compound be stored?
Store at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Available in analytical grade for laboratory and research use.
Can Molekula supply this in bulk?
Yes, bulk quantities are available upon request—please contact our sales team for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.