|◀ 13 - 24 of 27 ▶|
View:

PR1MA Potassium Acetate

CAS Number: 127-08-2
Molecular Weight: 98.14
Chemical Formula: C2H3O2K
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: White crystalline powder
  • Calcium (Ca):  0.005 %
  • Chloride (Cl):  0.003 %
  • Heavy Metals :  5 ppm
  • Insolubles:  0.005 %
  • Iron:  5 ppm
  • Magnesium (Mg):  0.002 %
  • pH (5% in water): 6.5 - 9.0
  • Phosphate:  0.001 %
  • Purity:  99.0 %
  • Sodium (Na):  0.03 %
  • Sulfate:  0.002 %
  • Country of Origin: Report

  

PR1MA bis-TRIS [bis-(2-hydroxyethyl)aminotris(hydroxymethyl)methane]

Common Name: bis(2-Hydroxyethyl)aminotris (hydroxymethyl)methane
CAS Number: 6976-37-0
Molecular Weight: 209.2
Chemical Formula: C8H19NO5
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: White crystalline powder
  • Assay:  99.0 %
  • Identification (IR): Matches reference
  • Melting Point: Report oC
  • pH, 1.0M Aqueous solution @25ºC: 9.5 - 11.0
  • pKa @ 20°C: 6.0 - 7.0
  • Solubility: Complete and clear
  • UV Absorbance @280nm, 1.0 M in H2O:  0.40
 

  

[N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]

PR1MA  HEPES, Free Acid [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]

Common Name: [N-(2-Hydroxyethyl) piperazine N'-(2-ethanesulfonic acid)]
CAS Number: 7365-45-9
Molecular Weight: 238.3
Chemical Formula: C8H18N2O4S
Solubility: Water
Storage Temp: Room Temperature

Zwitterionic N-substituted aminosulfonic acid buffer.

  • pka (25°C): 7.5
  • pH Range (Working): 6.8 - 8.2
  • Heavy Metals: <0.001% Max
Research or further manufacturing use only, not for food or drug use.
  • Appearance: White Crystalline Powder
  • Assay (Titration, dried basis):  99.5 %
  • DNase, RNase, protease: Not Detected
  • Endotoxin (0.2% Solution):  0.25 EU/ml
  • Heavy Metals (as Pb):  0.001 %
  • Identification (IR): Pass
  • Iron (Fe):  0.0005 %
  • Loss on Drying:  1.0 %
  • pH (5% in water): 5.0 - 6.5
  • pKa @ 20°C: 7.35 - 7.70
  • Residue on Ignition:  0.1 %
  • Solubility (1M Solution in Water ): Clear and Colorless Solution
  • Sulfate:  0.05 %
  • UV Absorbance (1M@260nm):  0.05
  • UV Absorbance (1M@280nm):  0.05
  

PR1MA  Tris Base Ultra Pure [Tris (Hydroxymethyl) Aminomethane]

Common Name: Tris (Hydroxymethyl) Aminomethane
CAS Number: 77-86-1
Molecular Weight: 121.1
Chemical Formula: C4H11NO3
Solubility: Water
Storage Temp: Room Temperature

Highly purified for use in molecular biology applications.

Moisture: <0.2%
Color: <20 APHA (colorless)
Heavy Metals (as Pb): <0.0001%
Insoluble Matter: <0.005%
Heavy Metals: 5 ppm
pKa (20°C): 8.1 ± 0.1

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

  • Appearance: White Crystalline Powder
  • Purity (Dried Basis By GC):  99.9 %
  • Related Substances By GC:  0.1 %
  • Water:  0.2 %
  • Loss on Drying @ 105 oC, 3hrs:  1.0 %
  • Melting Point: 170 - 172 oC
  • APHA Color, 20% Aqueous solution:  20
  • Insoluble Matter:  0.005 %
  • Heavy Metals (as Pb):  5 ppm
  • Residue on Ignition:  0.5 %
  • Iron (Fe):  5 ppm
  • UV Absorbance @260nm, 10% Aqueous solution :  0.03
  • UV Absorbance @280nm, 10% Aqueous solution :  0.02
  • UV Absorbance @290nm, 40% solution in H2O:  0.20
  • UV Absorbance @430nm, 10% Aqueous solution :  0.004
  • Identification A: Pass
  • Identification B: Pass
  • Identification C: Pass
  • pH (5% in water): 10.0 - 11.5
  • Arsenic (As):  1 ppm
  • Chloride:  100 ppm
  • Copper (Cu):  1 ppm
  • DNase, RNase, protease: None Detected
  • Lead:  1 ppm
  • Magnesium (Mg):  1 ppm
  • pH (1M in H2O): 10.5 - 11.5
  • Residual Solvents: Conforms to USP/EP
  • Residue on Ignition (USP):  0.1 %
  • Solubility (2M In H2O): Pass

  

PR1MA Potassium Phosphate, Dibasic, Anhydrous

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

  

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 Temp: 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

  


PR1MA Potassium Phosphate, Monobasic, ACS

 

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

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

  • Appearance: White crystalline powder
  • Odor: Odorless
  • pH (5% Solution): 4.1 - 4.5
  • Insoluble Matter: ≤ 0.01 %
  • Loss on Drying: ≤ 0.2 %
  • Chloride (Cl): ≤ 0.001 %
  • Sulfate: ≤ 0.003 %
  • Heavy Metals: ≤ 0.001 %
  • Iron: ≤ 0.002 %
  • Sodium (Na): ≤ 0.005 %
  • Assay: ≥ 99.0 %
  • Grade: ACS
  • BSE/TSE Free: BSE/TSE Free
  • Non-Animal Origin: Non-Animal Origin
  • Country of Origin: Report

  

PR1MA Tris-Acetate

Molecular Weight: 181.19
Chemical Formula: C14H11NO3C2H4O2
Solubility: Water
Storage Temp: Room Temperature

Moisture: <0.3%
pH (0.1M, H2O) @25°C: 6.0-7.0%
Heavy Metals: 0.001%

Shipping Weight: 0.3 lbs

Shipping Dimensions: 3.50 x 3.75 x 3.50
  • Appearance: White crystalline powder
  • Heavy Metals: ≤ 0.001 %
  • Moisture: ≤ 0.3 %
  • pH (0.1M Solution in water): 6.0 - 7.0
  • Purity: ≥ 98.0 %
  • Residue on Ignition: ≤ 0.1 %
  • BSE/TSE Free: BSE/TSE Free
  • Country of Origin: Report

  

Item#:
ASTRISACETATE

PR1MA  Sodium Phosphate Dibasic, Anhydrous

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

  

[N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [Epps]

PR1MA HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]

Common Name: HEPPS [N-(2-Hydroxyethyl)piperazine-N'-(3-propane sulfonic acid)] [EPPS]
CAS Number: 16052-06-5
Molecular Weight: 252.3
Chemical Formula: C9H20N2O4S
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: White Crystalline Powder
  • Assay (Titration, dried basis):  99.0 %
  • Loss on Drying:  1.0 %
  • pH (1mol/L in Water @ 20 oC: 5.0 - 7.0
  • Solubility (0.1M in water): Clear and Colorless
  

PR1MA PBS [Phosphate Buffered Saline], 10X Powder Concentrate, White Granular Powder

CAS Number: 7778-77-0; 7447-40-7; 7558-79-4; 7647-14-5
Storage Temp: Room Temperature

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

  • Appearance: White Uniform Powder (No Granular)
  • Chloride: 0.136 - 0.144 moles/liter
  • Conductivity @ 25 oC: 14000 - 17800 µomhos/cm
  • DNase, RNase, protease: Not Detected
  • pH (10X Solution): 6.7 - 6.9
  • pH (1 X Solution): 7.3 - 7.5
  • Solubility: Pass Test (9.89%)
  • Seal Integrity Testing: Pass Test

Proudly made in the USA! Click here for more made in America products!

PR1MA  Sodium Phosphate Dibasic, Anhydrous, ACS Grade

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

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

  • Appearance: White crystals
  • Assay:  99.0 %
  • Chloride:  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 %
  • Yeast and Mold Count:  100 CFU/g
  • Aerobic Plate Count:  1000 CFU/g

Proudly made in the USA! Click here for more made in America products!

|◀ 13 - 24 of 27 ▶|
View: