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PR1MA™  HEPES, Sodium Salt [N-(2-Hydroxyethyl) piperazine-N'-(2-ethanesulfonic acid)]

Common Name: N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid)
CAS Number: 75277-39-3
Molecular Weight: 260.3
Chemical Formula: C₈H₁₇N₂O₄SNa
Solubility: Water
Storage Temperature: Room Temperature

• pKa (20°C): 7.45-7.65
• pH Range: 6.8-8.2

Research or further manufacturing use only, not for food or drug use.

• Appearance: White crystalline powder
• Assay (Titration, dried basis): ≥ 98.0 %
• Chloride (Cl): ≤ 0.1 %
• Heavy Metals (as Pb): ≤ 1 ppm
• Loss on Drying @ 105 ^oC, 3hrs: ≤ 2.0 %
• pH (1% aqueous @ 25 ^oC): 9.4 - 11.0
• pKa @ 20°C: 7.45 - 7.65
• Solubility (1M Solution in H₂O): Clear, complete and colorless
• UV Absorbance @ 250nm 1M: ≤ 1.0

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PR1MA™ Phosphate Buffered Saline, 10X Solution

Common Name: Phosphate Buffered Saline 10X Solution
CAS Number: 7732-18-5; 7647-14-5; 7447-40-7; 7558-79-4; 7778-77-0
Solubility: Water
Storage Temperature: Room Temperature

Phosphate Buffered Saline is a buffer solution commonly used in biological research. PBS has many uses because it is isotonic and non-toxic to most cells. These uses include substance dilution and cell container rinsing.
Ready to use sterile 10X solution.

Research or further manufacturing use only, not for food or drug use.

• Appearance: Clear and Colorless Solution
• Composition: Sodium Chloride: 1.37M, Potassium Chloride: 0.027M, Phosphate Buffer: 0.12M
• Method: Prepared in 18.2 megaohams-cm ± 1 water and filtered through 1 micron filter
• pH (1X Solution): 7.2 - 7.6
• pH (10X Solution): 6.8 - 7.2

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PR1MA™ PBS/Tween 20 10X Solution

CAS Number: 7558-79-4, 7778-77-0, 7647-14-5, 7447-40-7, 9005-64-5, 7732-18-5
Solubility: Water
Storage Temperature: Room Temperature

Research or further manufacturing use only, not for food or drug use.
 

• Appearance: Clear, yellow solution
• pH: 7.2 - 7.6

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PR1MA™  Potassium Phosphate, Dibasic, Anhydrous

CAS Number: 7758-11-4
Molecular Weight: 174.2
Chemical Formula: K₂HPO₄
Solubility: Water
Storage Temperature: Room Temperature

Research or further manufacturing use only, not for food or drug use.

• Appearance: White Powder
• Assay: ≥ 98.0 %
• Chloride: ≤ 0.003 %
• Heavy Metals : ≤ 5 ppm
• Insoluble Matter: ≤ 0.01 %
• Iron (Fe): ≤ 0.001 %
• Loss on Drying @150 ^oC: ≤ 1.0 %
• Nitrogen Compound: ≤ 0.001 %
• pH (5%): 8.5 - 9.6
• Sodium (Na): ≤ 0.05 %
• Sulfate: ≤ 0.005 %

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PR1MA™  MOPS [3-(N-morpholino)-propanesulfonic acid]

Common Name: 3-(N-Morpholino)propanesulfonic acid
CAS Number: 1132-61-2
Molecular Weight: 209.3
Chemical Formula: C₇H₁₅NO₄S
Solubility: Water
Storage Temperature: Room Temperature

Molecular Biology Grade

• Heavy Metals: <5 ppm
• pKa: (20°C) 7.20 ± 0.2
• pH Range: 6.5-7.9

Research or further manufacturing use only, not for food or drug use.
 

• Appearance: White crystalline powder
• Absorbance @250nm, 1M solution in H₂O: ≤ 0.1
• Absorbance 260nm: ≤ 0.2 nm
• Absorbance 280nm: ≤ 0.2
• Assay (Titration): ≥ 99.0 %
• Endotoxin : ≤ 0.5 EU/mg
• Heavy Metals : ≤ 5 ppm
• Identification: Matches the reference
• Iron (Fe): ≤ 5 ppm
• Loss on Drying (105 ^oC): ≤ 1.0 %
• Melting Point : 276.0 - 281.0 ^oC
• pH: 2.5 - 5.0
• pKa @ 20°C: 7.0 - 7.4
• Residue on Ignition: ≤ 0.2 %
• Solubility: Clear, colorless solution

No current replacements available at this time.  Please find other currently available buffers here.

PR1MA™  Potassium Phosphate, Monobasic, ACS

CAS Number: 7778-77-0
Molecular Weight: 136.1
Chemical Formula: KH₂PO₄
Solubility: Water
Storage Temperature: Room Temperature

Research or further manufacturing use only, not for food or drug use.

• Appearance: Crystals
• Assay: ≥ 99.0 %
• Chloride (Cl): ≤ 0.001 %
• Heavy Metals : ≤ 10 ppm
• Insoluble Matter: ≤ 0.01 %
• Iron: ≤ 0.002 %
• Lead: ≤ 0.1 ppm
• Loss on Drying: ≤ 0.2 %
• Nitrites: Pass
• pH (5% Solution): 4.1 - 4.5
• Sodium: ≤ 50 ppm
• Sulfate: ≤ 0.003 %
• Total Coliforms: Negative
• Aerobic Plate Count: ≤ 1000 CFU/g
• Yeast and Mold Count: ≤ 100 CFU/g

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PR1MA™  TAE 10X Solution [TRIS Acetate EDTA 10X Solution]

Common Name: TRIS Acetate EDTA 10X Solution
CAS Number: 77-86-1, 64-19-7, 6381-92-6, 7732-18-5
Solubility: Water
Storage Temperature: Room Temperature

10X solution contains:

• TRIS-Base: 0.4 M
• Acetic Acid: 0.2 M
• EDTA: 10 mM
• pH (10X Solution (@25°C): 8.2-8.4

Research or further manufacturing use only, not for food or drug use.
 

• Appearance: Clear, Colorless Solution
• pH: 7.8 - 8.2

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PR1MA™  Bicine Ultra-Pure

CAS Number: 150-25-4
Molecular Weight: 163.2
Chemical Formula: C₆H₁₃NO₄
Solubility: Water
Storage Temperature: Room Temperature

Zwitterionic buffer used in a variety of molecular biology applications such as protein resolution, protein crystallization and SDS-PAGE.


pKa @ 25°C: 8.3
pH Range: 7.6-9.0
Melting Range: 190-192°C


Research or further manufacturing use only, not for food or drug use.
  

• Appearance: White Powder
• FTIR: Conforms to reference
• Optical ABS @ 260 NM: ≤ 0.1
• Optical ABS @ 280 NM: ≤ 0.1

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PR1MA™  Phosphate Buffered Saline, 10X Solution

Common Name: Phosphate Buffered Saline 10X Solution
CAS Number: 7732-18-5; 7647-14-5; 7447-40-7; 7558-79-4; 7778-77-0
Solubility: Water
Storage Temperature: Room Temperature

Phosphate Buffered Saline is a buffer solution commonly used in biological research. PBS has many uses because it is isotonic and non-toxic to most cells. These uses include substance dilution and cell container rinsing. Ready to use sterile 10X solution.


Research or further manufacturing use only, not for food or drug use.

• Appearance: Clear and Colorless Solution
• Composition: Sodium Chloride: 1.37M, Potassium Chloride: 0.027M, Phosphate Buffer: 0.12M
• Method: Prepared in 18.2 megaohams-cm ± 1 water and filtered through 1 micron filter
• pH (1X Solution): 7.2 - 7.6
• pH (10X Solution): 6.8 - 7.2

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PR1MA™  Sodium Phosphate Dibasic, Anhydrous

CAS Number: 7558-79-4
Molecular Weight: 142.0
Chemical Formula: Na₂HPO₄
Solubility: Water
Storage Temperature: Room Temperature

Research or further manufacturing use only, not for food or drug use.
 

• Appearance: White Crystal
• Assay: ≥ 99.0 %
• Chloride (Cl): ≤ 0.002 %
• Heavy Metals : ≤ 10 ppm
• Insoluble Matter: ≤ 0.01 %
• Iron: ≤ 0.002 %
• Loss on Drying: ≤ 0.2 %
• pH (5% Solution): 8.7 - 9.3
• Sulfate: ≤ 0.005 %
• Aerobic Plate Count: ≤ 1000 CFU/g
• Yeast and Mold : ≤ 100 cfu/g
• Total Coliforms: Negative

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PR1MA™  Potassium Phosphate, Dibasic

CAS Number: 7758-11-4
Molecular Weight: 174.2
Chemical Formula: K₂HPO₄
Solubility: Water
Storage Temperature: Room Temperature

Research or further manufacturing use only, not for food or drug use.

• Appearance: White Powder
• Aerobic Plate Count:  ≤  1000 CFU/g
• Assay: ≥ 98.0 %
• Chloride (Cl): ≤ 0.003 %
• Heavy Metals : ≤ 5 ppm
• Insoluble Matter: ≤ 0.01 %
• Iron: ≤ 0.001 %
• Loss on Drying: ≤ 1.0 %
• Nitrogen Compound: ≤ 0.001 %
• pH (5% Solution): 8.5 - 9.6
• Sodium (Na): ≤ 0.05 %
• Sulfate: ≤ 0.005 %
• Total Coliforms: Negative
• Yeast and Mold Count: ≤ 100 CFU/g

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PR1MA™ CHAPS [3-[(3-Cholamidopropyl)-dimethylammonio]-1-propanesulfonate]

Common Name: 3-[(Cholamidopropyl) dimethylammonio]-1-propanesulfonate
CAS Number: 75621-03-3
Molecular Weight: 614.9
Chemical Formula: C₃₂H₅₈N₂SO₇
Solubility: Water
Storage Temperature: Room Temperature


Zwitterionic, non-denaturing detergent for solubilizing membrane proteins.

Research or further manufacturing use only, not for food or drug use.

• Appearance: White Powder
• Identification: Pass Test
• Moisture : ≤ 2.0 %
• Purity: ≥ 99 %
• RNase/DNase/Protease: None Detected
• Solubility (20%, water): Complete / Colorless
• TLC (silica gel: methanol/NH₄OH = 95/5): One Spot