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Salts & Minerals

Aluminum lactate

CAS: 18917-91-4

Overview

Aluminum lactate ( CAS 18917-91-4 ) is the aluminum salt of lactic acid, available commercially as a white powder used across food, cosmetic, and pharmaceutical manufacturing.

It functions primarily as a pH buffer and astringent, delivering controlled acidity alongside mild aluminum activity in formulated products. In personal care, it is used in antiperspirant and skin-toning formulations.

Its astringent action helps regulate sebum and tighten pores without the harshness of stronger aluminum salts. Food manufacturers incorporate it as an acidulant and buffering agent to stabilize pH in processed products.

This ingredient improves texture and shelf stability in various food applications. Pharmaceutical formulators use it in topical preparations where controlled acidity and mild astringency are required for dermatological use.

It also appears in oral care and hygiene products where buffering capacity supports formula stability across varying pH conditions. Aluminum lactate is typically supplied as a white crystalline powder for industrial use.

It is available in technical and food-grade specifications, with material meeting FCC standards relevant for food and flavoring applications. This ensures high quality for sensitive manufacturing processes.

Packaging is offered in standard bulk quantities suited to industrial procurement. Documentation is provided to support use across regulated industries, ensuring compliance with global safety and quality requirements.

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Physical Properties

Melting Point>300 °C(lit.)
Density1.388[at 20℃]
Colorwhite
FormPowder
Water SolubilityVery soluble in cold water
Vapor Pressure0.001Pa at 20℃
pHpH(100g/l, 25℃) : 3.0~4.0
Log P-1.9 at 25℃

Safety & Handling

Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

Storage Class11 - Combustible Solids
WGK (Germany)3

Other Names

tris[2-(hydroxy-kappaO)propanoato-kappaO]aluminium | tris(2-hydroxypropanoato)aluminum | aluminum tris(alpha-hydroxypropionate) | aluminium trilactate | tris(lactato)aluminium | aluminium lactate | V797H4GG0Z | aluminum trilactate

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Chemical Properties

CAS Number
18917-91-4
EC Number
242-670-9
Mol. Weight
294.19

Industries

Documentation