SoleChem

Aluminum chloride hexahydrate

Flame Retardants Water Treatment
CAS
7784-13-6
EC
231-208-1
Mol. Weight
241.43 g/mol

Description

Aluminum chloride hexahydrate (CAS 7784-13-6) is the hydrated crystalline salt form of aluminum chloride, commonly sourced under the trade name Hydrosal Gel in personal care and pharmaceutical supply chains.

It functions primarily as a coagulant, flocculant, and catalyst precursor across water treatment, textile processing, and industrial manufacturing sectors. In municipal and industrial water treatment, it acts as a coagulant.

This material destabilizes suspended solids and colloidal matter, enabling efficient clarification and sludge removal. Textile and leather processors use it as a mordant and fixative to improve dye uptake and bonding.

In pulp and paper manufacturing, it supports rosin sizing and retention aid systems that control fiber bonding and sheet formation. Pharmaceutical and cosmetic formulators incorporate it as an active antiperspirant agent.

It also serves as a precursor in the preparation of aluminum-based compounds. Aluminum chloride hexahydrate is supplied as white to off-white crystalline granules or powder for various industrial uses.

Standard commercial grades include technical grade for industrial water treatment and textile applications, as well as pharmaceutical/USP-grade material for personal care and healthcare formulations.

Bulk supply is typically available in 25 kg bags or bulk sacks, with solution forms offered for select water treatment applications. This ensures reliable delivery for large-scale manufacturing and processing needs.

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Physical Properties

Melting Point 100°C (dec.)
Density 2.5 x 10⁻³ g/cm³
Appearance white to pale yellow crystalline solid
Color White To Light Yellow
Odor Odorless
Form Solid
Water Solubility 477 g/L (20 ºC)
Vapor Pressure 1 mm Hg ( 100 °C)
pH 2.5 (50g/l, H2O, 20℃)
Log P -1.380 (est)

Safety & Handling (Learn More)

Danger GHS05 GHS07 GHS08 GHS09
Hazard Statements
H303 May be harmful if swallowed
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H318 Causes serious eye damage
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H372 Causes damage to organs through prolonged or repeated exposure
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P363 Wash contaminated clothing before reuse.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P332+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P301+P330+P331 Rinse mouth. Do NOT induce vomiting.
P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 28273200
UN Number 3260
ADR Class 8
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 1

Documentation

Other Names

Hydrosal Gel|aluminum trichloride hexahydrate|aluminium(III) chloride hexahydrate|aluminium chloride hexahydtate|aluminium chloride hexahydrate|AlCl3.6H2O|aluminium trichloride hexahydrate|RefChem:915607

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