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Excipient

ICH Q7 GMP Manufactured Product

Tris

Ch.P., LBLE*, GMP, Excipient
Product Code: TRIS-3251

*Low Bioburden, Low Endotoxin

Minimum Order Quantity: 500kg
Lead Time (if no stock): 3-months

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Product Code: TRIS-3251
Suitable for use as a cGMP chemical in pharmaceutical manufacturing processes and products.

Tromethamine (Tris) is commonly used as a buffer and excipient in downstream biological applications during the manufacture of drug products. Tris is considered a Good’s buffer because it has low UV absorptivity, minimal reactivity, stable pH and is soluble in water.

CAS #: 77-86-1
Formula: NH2C(CH2OH)3
F.W.: 121.14 g/mol
Solubility at 25˚C: 550 mg/mL
pH (5% aq. Solution): 10.0 - 11.5
pKa at 25˚C: 8.07

Product Specifications

ANALYSIS

SPECIFICATIONS

Absorbance (1M)

260nm

280nm

430nm

< = 0.06 a.u.

< = 0.06 a.u.

< = 0.01 a.u.

Absorbance (10%)

260nm

280nm

430nm

< = 0.03 a.u.

< = 0.02 a.u.

< = 0.004 a.u.

Absorbance (40%) 290nm
< = 0.2 a.u.
APHA Color (20% Solution) < = 20 APHA
Appearance and Color White Crystals
Appearance of Solution (EP) Passes Test
Assay, Dried Basis (USP/EP/ChP/JPC) 99.0 - 100.5% 
Assay, Dried Basis (Ultrapure) > = 99.9% 
Chloride (ChP/EP) < = 100 ppm 
Clarity and Color of Solution (ChP/JPC) Passes Test 
Endotoxin  < = 2.5 EU/g
Enzymes

DNase

Protease

RNase

None Detected

None Detected

None Detected

Identification, IR (USP-A/ChP-3/EP-C) Conforms to Reference Standard 
Identification A (EP), pH (5%) (USP/ChP/EP) 10.0 - 11.5 
Identification A (JPC) Passes Test 
Identification B (USP/ChP-1) Passes Test
Identification B (EP), Melting Range (USP/ChP/JPC) 168 – 172˚C 
Identification B (JPC) Passes Test 
Identification C (USP) Passes Test
Identification D (EP/ChP-2) Passes Test 
Insoluble Matter  < = 0.005% 
Loss on Drying (USP/ChP/EP/JPC) < = 0.3% 
Residual Solvents Methanol
< = 3000 ppm 
Microbial Content

TAMC

TYMC

Bile tolerant Gram Neg. Bacteria

Escherichia coli

Pseudomonas aeruginosa

Staphylococcus aureus

Candida albicans

Salmonella sp.

 < = 100 CFU/g

< = 100 CFU/g

Absent/g

Absent/g

Absent/g

Absent/g

Absent/g

Absent/10g

pH (1 in 100) (JPC) 10.3 - 10.7 
Related Substances (ChP/EP) < = 0.1%
Residue on Ignition / Sulfated Ash (USP/ChP/EP/JPC) < = 0.05% 
Trace Metals

Arsenic (As)

Calcium (Ca)

Copper (Cu)

Iron (Fe)

Lead (Pb)

Magnesium (Mg)

Manganese (Mn)

Nickel (Ni)

Zinc (Zn)

 < = 1.6 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 5 ppm

< = 1 ppm

< = 15 ppm

< = 1 ppm 

Water, KF

< = 1.0%

Printable Version

Key Product Features:

  • The manufacturing of Tris, TRIS-3251 is performed at BioSpectra's Stroudsburg, PA facility.
  • Appears as white crystals
  • Manufactured in accordance with ICH Q7
  • Manufactured in an enzyme free, hormone free, and animal free environment
  • Contains no known major food allergens (as defined by FDA and WHO)
  • The final product and its raw materials are not derived from nor come into contact with animal parts, animal products, and/or animal byproducts or derivatives.
  • Is not subject to genetic modification
  • Synonyms: Trometamol; THAM; Tris (Hydroxymethyl) Aminomethane; Trisaminol; Trismethylolaminomethane; 2-Amino-2 (Hydroxymethyl) propane-1,3-diol; Tromethamine

Shelf-Life Policy:

Unless otherwise noted on the Shelf-Life Statement and CoA, this product has a 2-year retest date supported by a 3-year ICH Q1 Stability Study (if one is completed).

Storage & Shipping:

Refer to SDS. 

Package Sizes:

10kg, 25kg and 50kg pails.

Bulk GMP Fine Chemicals exclusively manufactured in North America

American Manufactured - FDA Registered GMP Facilities: Parenteral Excipients, GMP Small Molecule Intermediates, GMP Biological Buffers, Parenteral Carbohydrates, GMP Chlorinated Amino Acids, GMP Solutions in Sterile Single Use Packaging and other Reagent & GMP Fine Chemicals.