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PR1MA  MES Monohydrate [2-(N-Morpholino)-ethanesulfonic acid]

Common Name: 2-(N-Morpholino)ethanesulfonic acid
CAS Number: 145224-94-8
Molecular Weight: 213.24
Chemical Formula: C6H13NO4 H 2O
Solubility: Water
Storage Temp: Room Temperature

Buffer for use in plant tissue culture.

  • pKa (20°C): 6.15
  • pH range: 5.5 - 6.7

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

  • Appearance: White crystalline powder
  • Assay (Titration):  99.0 %
  • Heavy Metals:  0.0010 %
  • Loss on Drying: 7.0 - 10.0 %
  • pH: 2.5 - 4.0
  • pKa @20 oC: 6.02 - 6.25
  • Solubility (10% solution in H2O): Clear
  • Sulfate:  0.01 %
  • UV Absorbance 250nm in 10% H2O:  0.05
  • Country of Origin: Report


Tris Hydrochloride

  • Appearance: White, Crystalline Powder
  • Purity: ≥ 99.0%
  • pH (1% Aqueous): 4.2 - 5.0
  • Solubility (1M Aqueous): Clear and Colorless
  • Identity (FTIR): Conforms to Structure
  • Loss on Drying (105°C/4h): ≤ 0.5%
  • Melting Point: 149ºC - 153ºC
  • A260 (40% Aqueous): ≤ 0.06
  • A280 (40% Aqueous): ≤ 0.05
  • Lead: 5 ppm
  • RNase: None Detected
  • DNase: None Detected

*Custom sizes available upon request.

 

DOT Information: Non-regulated.   
 

Item#:
ASTRISHYDRO1

PR1MA™ Potassium Acetate

CAS Number: 127-08-2
Molecular Weight: 98.14
Chemical Formula: C2H3O2K
Solubility: Water
Storage Temperature: 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 Calcium Chloride Anhydrous

CAS Number: 10043-52-4
Molecular Weight: 110.98
Chemical Formula: CaCl2
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: White crystalline powder
  • Assay (Titration):  96.0 %
  • Titratable Base:  0.006 meq/g




Sodium Phosphate Dibasic, Heptahydrate

  • Appearance: White to Off-White Powder
  • Purity: ≥ 99.0%
  • pH (5% Aqueous) : 8.7 - 9.3
  • Solubility: Clear and Colorless
  • Identity (FTIR): Conforms to Structure
  • Loss on Drying (105°C/4 h): 44 - 50%
  • Lead: ≤ 10 ppm
  • Iron: ≤ 10 ppm
  • Chloride: ≤ 10 ppm
  • Phosphate: 35.0% - 39.-%
  • Sulfate: ≤ 50 ppm
  • RNase: None Detected
  • DNase: None Detected

*Custom sizes available upon request.

 

DOT Information: Non-regulated.   
 

Item#:
ASPHOSODDIHEP

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 Temperature: 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

PR1MA  Sodium Phosphate Dibasic, Anhydrous, ACS Grade

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 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


Sodium Phosphate Monobasic, Anhydrous

  • Appearance (Color): White to Off-White
  • Appearance (Form): Crystalline Powder
  • Purity: 98.0 - 103.0%
  • pH (5% Aqueous): 4.1 - 4.5
  • Solubility: Clear and colorless
  • Identity (FTIR): Conforms to Structure
  • Loss on Drying (105°C/4h): 0.5%
  • Insoluble Matter: ≤ 2.0%
  • Lead: ≤ 5 ppm
  • Arsenic: ≤ 3 ppm
  • Fluoride: ≤ 50 ppm
  • Phosphorous: 24.5 - 26.5%
  • RNase: None Detected
  • DNase: None Detected

*Custom sizes available upon request.

 

DOT Information: Non-regulated.
 

Item#:
ASPHOSODMONANHY

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


 


PR1MA Citric Acid Anhydrous

CAS Number: 77-92-9
Molecular Weight: 192.1
Chemical Formula: C6H8O7
Solubility: Water
Storage Temp: Room Temperature

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

  • Appearance: Fine white crystalline powder
  • Assay (Titration):  99.5 %
  • Carbonizable Substances (H2SO4): Pass Test
  • Clarity and Color: Pass Test
  • Identification: Pass Test
  • Lead :  0.5 mg/kg
  • Limit of Oxalic Acid:  0.036 %
  • Oxalate Test: Pass Test
  • Residual Solvents: Meet requirements
  • Residue on Ignition:  0.05 %
  • Sulfate:  0.015 %
  • Water:  0.5 %


Tris Base

  • Appearance: White, Crystalline Powder
  • Purity: ≥ 99.5%
  • pH (5% Aqueous): 10.0 - 11.5
  • Solubility (40% Aqueous): Clear and Colorless
  • Identity (FTIR): Conforms to Structure: ≤ 0.5%
  • Loss on Drying (105°C/4h): ≤ 0.5%
  • Melting Point: 168ºC – 172ºC
  • A280 (40% Aqueous): ≤ 0.07
  • A400 (40% Aqueous): ≤ 0.02
  • Lead: ≤ 5 ppm
  • Iron: ≤ 5 ppm
  • Chloride: ≤ 3 ppm
  • Sulfate: ≤ 10 ppm
  • RNase: None Detected
  • DNase: None Detected

*Custom sizes available upon request.

 

DOT Information: Non-regulated.   
 

Item#:
ASTRISB
[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

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