Rhodamine B
CAS:81-88-9 Product spec:qualified
Molecular Formula: C28H31N2O3.Cl
Molecular weight: 479.02
Stibium sensitivity test: qualified
Water soluble test: qualified
Residue on ignition(as sulfate):0.25% max
3-Indolebutyvic acid
CAS:133-32-4 Product spec:99%min
Molecular Formula: C12H13NO2
Molecular Weight: 203.24
Assay: 99%min
Melting point: 123.0-125.0℃(interval1.5℃)
Loss on drying: 1.0%max
Residue on ignition (as sulfate): 0.1%max
3-Indolylacetic acid
CAS:87-51-4 Product spec:98.5%min
Molecular Formula: C10H9NO2
Molecular Weight: 175.20
Assay: 98.5%min
Melting point: 167.0—169.0℃(interval2℃)
Loss on drying: 0.5%max
Residue on ignition (as sulfate): 0.2%max
Phenol red sodium salt
CAS:34487-61-1 Product spec:qualified
Molecular Formula: C19H13NaO5S
Molecular Weight: 376.36
PH indicator range: 6.8(yellow)-8.4(red)
Water-soluble test: qualified
Loss on drying: 2.0% max.
Residue on ignition: 17.0-21.0%
Rhodizonic acid disodium salt
CAS:523-21-7 Product spec:qualified
Molecular Formula: C6H6Na2
Molecular weight:214.04
Barium sensitivity test: qualified
Water solubility test: qualified
Phenol
CAS:13127-88-3 Product spec:qualified
Molecular Formula: C6H5OH
Molecular Weight: 94.11
Freezing point:40℃
Non-volatile matter:0.02%max
Aqueous solution reaction: qualified
Water solubility test: qualified
Close-burning matter: qual..
5-Sulfosalicylic acid
CAS:5965-83-3 Product spec:99%min
Molecular Formula: C7H6O6•2H2O
Molecular Weight: 254.2
Iron sensitivity test: qualified
Clarity test: qualified
Water insoluble: 0.005%max
Residue on ignition (as sulfate): 0.02%max
Chloride (as..
Chrome azurol S
CAS:1667-99-8 Product spec:qualified
Molecular Formula: C23H13Cl2Na3O9S
Molecular Weight: 605.25
Aluminum-complex molar absorption coefficient(Lcm•mol): 4.0x104min
Residue on ignition (as sulfate): 30.0---40.0%
Water-soluble test: qu..
Ponceau S
CAS:6226-79-5 Product spec:Biological staining test: qualified
Molecular Formula: C22H12N4O13S4•Na4
Molecular weight:760.60
O-Nitrophenol
CAS:88-75-5 Product spec:qualified
Molecular Formula: NO2C6H4OH 5
Molecular weight:139.11
Residue on ignition(as sulfate): 0.1max
Melting point:45.0-46.0℃
PH indicator range: 5.0(colorless)-7.0(yellow)
Methanol soluble test: quali..