Salts & Minerals REACH

Triammonium citrate

CAS Number

3458-72-8

EC Number

222-394-5

E Number

E380

Industries: Food & Nutrition Personal Care & Cosmetics Water & Wastewater Treatment

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What is Triammonium citrate?

Triammonium citrate (CAS 3458-72-8), also known by its food additive designation E380, is the fully neutralized ammonium salt of citric acid.

Where is Triammonium citrate used?

Food and beverage: acidity regulator and sequestrant
Personal care: buffers pH and stabilizes active ingredients in creams, lotions and hair care products
Water treatment: chelates calcium, magnesium and heavy metal ions to prevent scale and protect equipment
It also supports preservation where metal ion control is critical.

Good to know: Food-grade material meets FCC specification; technical grade is offered for industrial water treatment and non-food formulation.

Other Names (Synonyms)

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What are the physical properties of Triammonium citrate?

Melting Point 150 °C (decomp)

Boiling Point 100 °C (lit.)

Density 1.09 g/cm³ @ Temp: 26 °C

Appearance Ammonium citrate (various forms) is a white powdery material with a slight ammonia-like odor.

Color White to off-white

Form Crystals

Water Solubility Soluble in water. Slightly soluble in alcohol.

Vapor Pressure 0Pa at 25℃

pH pH(40g/l, 25℃) : 6.0～7.7

Log P -1.43 at 25℃

How is Triammonium citrate classified and handled safely? Learn More

Warning

GHS07· Irritant

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.

Which trade and regulatory codes apply to Triammonium citrate?

HS Code 29181500

Storage Class 11 - Combustible Solids

WGK (Germany) 3