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Excipient

ICH Q7 GMP Manufactured Product

Tris / Tromethamine

USP, EP, JPC, BET*, GMP, Excipient
Product Code: TRIS-3257

*Bioburden and Endotoxin Tested

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Product Code: TRIS-3257
Suitable for use as a cGMP chemical in pharmaceutical manufacturing processes and products.

Tris/Tromethamine 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)

260 nm

280 nm

300 nm

< = 0.05 a.u.

< = 0.05 a.u.

< = 0.004 a.u.

Absorbance (10%)

260 nm

280 nm

430 nm

< = 0.03 a.u.

< = 0.02 a.u.

< = 0.004 a.u.

Absorbance (40%) 290 nm
< = 0.01 a.u.
APHA Color (20% Solution) < = 20 APHA
Appearance of Solution (EP) Passes Test
Assay, Dried Basis (USP/EP/JPC) 99.0 - 100.5%
Assay, Dried Basis (Ultrapure) > = 99.5%
Chloride (EP) < = 20 ppm
Clarity and Color of Solution (JPC) Passes Test
Endotoxin < = 2.5 EU/g
Enzymes

DNase

Protease

RNase

None Detected

None Detected

None Detected

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

TAMC

TYMC

Bile Tolerant Gram Neg. Bacteria

Escherichia coli

Pseudomonas aeruginosa

Staphylococcus aureus

Candida albicans

Salmonella sp.

< = 50 CFU/g

< = 50 CFU/g

Absent/g

Absent/g

Absent/g

Absent/g

Absent/g

Absent/10g

Non-Volatile Residue (JPC) < = 0.10%
Odor (JPC) Passes Test
pH (1 in 100) (JPC) 10.3 – 10.7
Related Substances (EP) < = 0.1%
Residual Solvents 2-Propanol
< = 0.5%
Residue on Ignition / Sulfated Ash (USP/EP/JPC) < = 0.05%
Solubility (40%) < = 0.20%
Sulfate  < = 5 ppm
Trace Metals

Aluminum (Al)

Arsenic (As) (JPC)

Barium (Ba)

Bismuth (Bi)

Cadmium (Cd)

Calcium (Ca)

Chromium (Cr)

Cobalt (Co)

Copper (Cu)

Iron (Fe) (EP)

Lead (Pb) (JPC)

Lithium (Li)

Potassium (K)

Magnesium (Mg)

Manganese (Mn)

Molybdenum (Mo)

Nickel (Ni)

Sodium (Na)

Strontium (Sr)

Zinc (Zn)

< = 5 ppm

< = 0.2 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 1 ppm

< = 50 ppm

< = 5 ppm

< = 1 ppm

< = 1 ppm

< = 2.5 ppm

< = 50 ppm

< = 5 ppm

< = 1 ppm

Volatile Residue (JPC)

< = 0.5%

Water, KF

< = 0.5%

Printable Version

Key Product Features:

  • The manufacturing of Tris/Tromethamine, TRIS-3257 is performed at BioSpectra’s Stroudsburg, PA facility.
  • Appears as a white crystalline powder
  • 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

Storage & Shipping:

Refer to SDS. 

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).

Package Sizes:

10kg, 25kg, and 50kg

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.