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Molekula

Molekula

Iron (II) chloride tetrahydrate- ATS

SKU 90038427 CAS 13478-10-9 FeCl2 · 4H2O MW 198.81 In stock (2 packs) — same-day dispatch

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

Iron(II) chloride tetrahydrate is an inorganic compound primarily used in water treatment for iron removal, as a reducing agent in chemical synthesis, and in dyeing and printing textiles. It appears as a greenish-yellow crystalline solid with high solubility in water. CAS number 13478-10-9, molecular formula FeCl₂·4H₂O, molecular weight 198.81 g/mol. Store at ambient conditions. Signal word: Danger. Molekula supplies Iron(II) chloride tetrahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Overview

Iron(II) chloride tetrahydrate is an inorganic compound primarily used in water treatment for iron removal, as a reducing agent in chemical synthesis, and in dyeing and printing textiles. It appears as a greenish-yellow crystalline solid with high solubility in water. CAS number 13478-10-9, molecular formula FeCl₂·4H₂O, molecular weight 198.81 g/mol. Store at ambient conditions. Signal word: Danger. Molekula supplies Iron(II) chloride tetrahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Property Value
Appearance Green to Blue-green crystalline powder
Identification Conforms to reference
Arsenic (As) ≤ 0.002%
Copper (Cu) ≤ 0.05%
Zinc (Zn) ≤ 0.01%
Sulphates (SO4)(2-) ≤ 0.005%
Content FeCl2 · 4H2O ≥ 98.0%

Storage & handling

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

Identification

Property Value
SKU 90038427
CAS Number 13478-10-9
Molecular Formula FeCl2 · 4H2O
Molecular Weight 198.81
SMILES O.O.O.O.Cl[Fe]Cl
EC / UN Number 3260
REACH Code Y110
HTS Code 2827.39.5500
Tariff Code 2827392000

Safety & GHS

Danger
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H290 May be corrosive to metals
  • H302 Harmful if swallowed
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P406 Store in a corrosive resistant container with a resistant inner liner

Documents

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 Iron (II) chloride tetrahydrate (ATS grade) commonly used for?

Iron (II) chloride tetrahydrate (ATS grade) is primarily used in analytical testing standards (ATS) for calibration of instruments, quality control in laboratories, and as a reference material for chemical analysis.

What is the chemical formula and molecular weight of Iron (II) chloride tetrahydrate?

The chemical formula is **FeCl₂·4H₂O**, and the molecular weight is **198.81 g/mol**.

How should Iron (II) chloride tetrahydrate (ATS) be stored?

Store in a tightly sealed container at **ambient temperature**, away from moisture and incompatible substances.

What grade of Iron (II) chloride tetrahydrate does Molekula supply?

Molekula supplies **Analytical Testing Standards (ATS) grade**, which is certified for high-purity analytical applications.

Can Molekula supply Iron (II) chloride tetrahydrate in bulk quantities?

Yes, Molekula can provide bulk quantities of Iron (II) chloride tetrahydrate (ATS) upon request, subject to availability and order specifications.

What documentation comes with an order of Iron (II) chloride tetrahydrate (ATS) from Molekula?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.

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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