Molekula
Zinc oxide
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
Zinc oxide is a white powder used in cosmetics, pharmaceuticals, and rubber manufacturing. It acts as a UV absorber, antiseptic, and additive in industrial materials. Available in powder form with a CAS number of 1314-13-2, molecular formula ZnO, and molecular weight 81.38 g/mol. Stored at ambient temperatures. Signal word: Warning. Molekula supplies Zinc oxide 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 — $70.90 per pack
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 to faint yellow amorphous free flowing powder |
| Loss on Ignition | ≤ 1.0% |
| Assay | ≥ 99.0% |
| Cadmium (Cd) | ≤ 1.0ppm |
| Iron (Fe) | ≤ 200ppm |
| Lead (Pb) | ≤ 3.0ppm |
| Mercury (Hg) | ≤ 0.1ppm |
| Identification (IR) | Conforms to structure |
| Arsenic (As) | ≤ 1.0ppm |
| Carbonates and substances insoluble in acids | To comply with limit test |
| Substances not precipitated by ammonium sulphide | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White powder; hexagonal |
| Odour | Odorless |
| Melting Point | 1974 °C |
| Density | 5.6 g/cm³ |
| Water Solubility | Insoluble in water |
| Solubility (other solvents) | Soluble in dilute acid |
| Vapour Pressure | 0 mmHg (approx) |
Source: PubChem CID 3007857 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 12804964 |
| CAS Number | 1314-13-2 |
| IUPAC Name | zinc oxygen(2-) |
| Molecular Formula | ZnO |
| Molecular Weight | 81.38 |
| Exact Mass | 79.9241 |
| SMILES | [O-2].[Zn+2] |
| InChIKey | RNWHGQJWIACOKP-UHFFFAOYSA-N |
| InChI | InChI=1S/O.Zn/q-2;+2 |
| PubChem CID | 3007857 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28170000 |
| Tariff Code | 2817000000 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
- H410 Very toxic 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
- P501 Dispose of contents/container to an approved waste disposal plant
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
- aloevella
- bareMinerals
- calahist
- CI 77947
- dabur
- diaper
- Lassar's Paste
- multipurpose
- Oxide, Zinc
- Paste, Lassar's
Frequently asked questions
What is zinc oxide used for?
Zinc oxide is commonly used in rubber manufacturing, cosmetics, pharmaceuticals, and as a UV filter in sunscreens.
What is the chemical formula and molecular weight of zinc oxide?
The formula is ZnO and the molecular weight is 81.38 g/mol.
How should zinc oxide be stored?
Zinc oxide should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of zinc oxide does Molekula supply?
Molekula supplies technical grade zinc oxide suitable for industrial and research applications.
Can Molekula supply zinc oxide in bulk?
Yes, Molekula can supply zinc oxide in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a zinc oxide 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.