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Molekula

Molekula

Zinc Chloride granular 98/100%

SKU 90023203 CAS 7646-85-7 ZnCl2 MW 136.30 In stock (5+ packs) — same-day dispatch Bulk quantities on request

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 chloride (ZnCl₂) is an inorganic salt widely used in galvanizing, battery production, and as a flux in soldering and brazing. It also serves as a reagent in chemical synthesis, a deodorant, and a wood preservative. This granular form offers 98–100% purity, with a molecular weight of 136.30 g/mol (CAS 7646-85-7). Store at ambient conditions; handle with care (Signal Word: Danger). Molekula supplies Zinc Chloride granular 98/100% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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 — £22.00 per pack ex VAT · £26.40 inc. VAT

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Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White solid
Assay ≥98%
Iron (Fe) ≤10ppm
Zinc Oxide (ZnO) 0.6-0.7%
Lead (Pb) ≤5ppm
Calcium (Ca) ≤0.25%
Copper (Cu) ≤2ppm
Nickel (Ni) ≤5ppm
Manganese (Mn) ≤15ppm
Sulphates (SO4)(2-) ≤0.05%
Nitrate (NO3-) ≤0.003%
Alkaline Chlorides ≤1%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 8
Packing Group III
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance White, hygroscopic crystals
Odour Odorless
Melting Point 290 °C
Boiling Point 732 °C
Solubility (other solvents) 1 gram dissolves in 0.25 mL 2% hydrochloric acid, 1.3 mL alcohol, 2 mL glycerol; freely soluble in acetone
Vapour Pressure 0 mmHg (approx)
Refractive Index 1.681

Source: PubChem CID 5727 (HSDB, ICSC, The National Institute for Occupational Safety and Health (NIOSH))

Identification

Property Value
SKU 90023203
CAS Number 7646-85-7
IUPAC Name dichlorozinc
Molecular Formula ZnCl2
Molecular Weight 136.30
Exact Mass 133.8668
SMILES Cl[Zn]Cl
InChIKey JIAARYAFYJHUJI-UHFFFAOYSA-L
InChI InChI=1S/2ClH.Zn/h2*1H;/q;;+2/p-2
PubChem CID 5727
UN Number UN2331
REACH Code Y110
TSCA Listed Yes
Tariff Code 2827398590

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Hazardous to the Environment Hazardous to the Environment GHS09

Hazard statements

  • H302 Harmful if swallowed
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage
  • H318 Causes serious eye damage
  • 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
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

Documents

Safety Data Sheets (SDS)

Available in English.

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

No alternate names recorded for this product.

Frequently asked questions

What is zinc chloride granular 98/100% commonly used for?

Zinc chloride is widely used in galvanizing, as a flux in soldering, in the production of rayon, and as a wood preservative, among other industrial applications.

What is the chemical formula and molecular weight of zinc chloride?

The chemical formula is **ZnCl₂**, and the molecular weight is **136.30 g/mol**.

How should zinc chloride granular 98/100% be stored?

Store at **ambient temperature** in a cool, dry place, away from incompatible substances like strong oxidizers or metals.

What purity grade is available for zinc chloride granular?

Molekula supplies this product at **98–100% purity**, suitable for most industrial and laboratory applications.

Can Molekula supply zinc chloride granular in bulk quantities?

Yes, we offer bulk packaging options for zinc chloride granular to meet large-scale industrial requirements.

What documentation comes with a zinc chloride granular order?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.

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.

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