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 2000 · 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
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.
-
100 g — £26.40 per pack ex VAT · £31.68 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 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.
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.