tri-Ammonium citrate, GR 98%+

Name: tri-Ammonium citrate, GR 98%+
Brand: Vaqora Chemicals
SKU: VQ-003131

About tri-Ammonium citrate, GR 98%+

tri-Ammonium citrate (CAS 3458-72-8) is a biological buffer offered by Vaqora Chemicals in AR grade at a purity of ≥98%. Formula C6H17N3O7, molecular weight 243.22 g/mol. Its systematic (IUPAC) name is triazanium, 2-hydroxypropane-1,2,3-tricarboxylate. Common synonyms include Citric acid triammonium salt and Triammonium citrate.

It is supplied as white to off-white powder or crystals. Reported physical data include a melting point of 185 °C (dec.) and a boiling point of 100 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span buffer preparation, cell culture, electrophoresis and chromatography and electronics and thin films. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 500 g, 5 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Buffer preparation
Cell culture
Electrophoresis & chromatography
Electronics & thin films

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	tri-Ammonium citrate, GR 98%+
Catalogue No.	VQ-003131
CAS Number	3458-72-8
IUPAC name	triazanium;2-hydroxypropane-1,2,3-tricarboxylate
Molecular formula	C₆H₁₇N₃O₇
Molecular weight	243.22 g/mol
Exact mass	243.1066
Grade	AR
Purity / assay	≥98%
HSN code	29181590
InChIKey	YWYZEGXAUVWDED-UHFFFAOYSA-N
SMILES	C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[NH4+].[NH4+].[NH4+]
PubChem CID	18954

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder or crystals
Melting point	185 °C (dec.)
Boiling point	100 °C
Density	1 g/mL at 25 °C
H-bond donors / acceptors	4 / 7
TPSA	144 Å²
Synonyms	Citric acid triammonium salt, Triammonium citrate, Ammonium citrate tribasic, Ammonium citrate (3:1), 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, triammonium salt, 2-Hydroxy-1,2,3-propanetricarboxylic acid triammonium salt, triammonium 2-hydroxypropane-1,2,3-tricarboxylate, INS NO.380, INS-380, tri(azaniumyl) 2-hydroxypropane-1,2,3-tricarboxylate, 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium salt (1:3), 2-hydroxy-1,2,3-propanetricarboxylic acid, ammonium salt (1:3)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 3458-72-8

Ammonium Citrate 10% w/w Solution

CAS: 3458-72-8
Formula: C₆H₁₇N₃O₇
MW: 243.22 g/mol

VQ-046472

Extra Pure

tri-Ammonium citrate, 98%

CAS: 3458-72-8
Formula: C₆H₁₇N₃O₇
MW: 243.22 g/mol

VQ-003130

EP

tri-Ammonium citrate, EP

CAS: 3458-72-8
Formula: C₆H₁₇N₃O₇
MW: 243.22 g/mol

VQ-047177

Frequently asked questions

What is the CAS number of tri-Ammonium citrate, GR 98%+?

The CAS Registry Number of tri-Ammonium citrate, GR 98%+ is 3458-72-8. It is also known as Citric acid triammonium salt, Triammonium citrate, Ammonium citrate tribasic.

What is the molecular formula and molecular weight of tri-Ammonium citrate, GR 98%+?

tri-Ammonium citrate, GR 98%+ has the molecular formula C6H17N3O7 and a molecular weight of 243.22 g/mol.

Which grade and pack sizes of tri-Ammonium citrate, GR 98%+ can I order?

We supply tri-Ammonium citrate, GR 98%+ in AR (≥98%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with tri-Ammonium citrate, GR 98%+?

Yes. Every lot of tri-Ammonium citrate, GR 98%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can tri-Ammonium citrate, GR 98%+ be shipped internationally?

Yes. tri-Ammonium citrate, GR 98%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.