Molekula
Propyl 4-hydroxybenzoate sodium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Propyl 4-hydroxybenzoate sodium salt is a preservative used in pharmaceuticals and cosmetics to inhibit microbial growth. It is a sodium salt of propyl 4-hydroxybenzoate, offering enhanced solubility and stability. CAS: 35285-69-9, Molecular Formula: C10H11NaO3, Molecular Weight: 202.18 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Propyl 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
In stock — same-day dispatch
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.
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100 g — £26.40 per pack ex VAT · £31.68 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 | White powder |
| pH | 9.5-10.5 |
| Chloride (Cl-) | ≤350ppm |
| Purity | 99.0-102.0% |
| Moisture | ≤5.0% |
| Heavy Metals (Pb) | ≤10ppm |
| Sulphates (SO4)(2-) | ≤0.03% |
| Solution Colour and Clarity | Clear and transparent |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 31994172 |
| CAS Number | 35285-69-9 |
| IUPAC Name | sodium 4-propoxycarbonylphenolate |
| EC Number | 252-488-1 |
| Molecular Formula | C10H11NaO3 |
| Molecular Weight | 202.18 |
| Exact Mass | 202.0606 |
| SMILES | CCCOC(=O)C1=CC=C(C=C1)[O-].[Na+] |
| InChIKey | IXMINYBUNCWGER-UHFFFAOYSA-M |
| InChI | InChI=1S/C10H12O3.Na/c1-2-7-13-10(12)8-3-5-9(11)6-4-8;/h3-6,11H,2,7H2,1H3;/q;+1/p-1 |
| PubChem CID | 23679044 |
| REACH Code | Y113 |
| Tariff Code | 2918290090 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H318 Causes serious eye damage
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- 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
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Caswell No. 714A
- Natrium propyl 4-hydroxybenzoat
- Propyl p-hydroxybenzoate, sodium salt
- Propyl-4-hydroxybenzoat natriumsalz
- Propylparaben sodium
- Propylparaben, sodium salt
- Sodium propyl 4-hydroxybenzoate
- Sodium propyl hydroxybenzoate
- Sodium Propyl Parahydroxybenzoate
- Sodium propylparaben
Frequently asked questions
What is Propyl 4-hydroxybenzoate sodium salt used for?
It is primarily used as a preservative in pharmaceuticals and cosmetics due to its antimicrobial properties.
What is the chemical formula and molecular weight?
The formula is C10H11NaO3 with a molecular weight of 202.18 g/mol.
How should this compound be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in technical grade; specific purity details can be provided upon request.
Can Molekula supply this in bulk?
Yes, Molekula can supply Propyl 4-hydroxybenzoate sodium salt in bulk quantities—please contact us for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available 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.