Bromocresol Purple 115-40-2 Purity98%

Bromocresol Purple

  • CAS: 115-40-2
  • FOB Price:60 USD/Kilogram Get Latest Price
  • Port:Shanghai, Tianjin, Beijing
  • Minimum Order Quantity:10/Gram
  • Supply Ability:1 Metric Ton/Month
  • Payment Terms:L/C,D/A,D/P,T/T,Western Union,MoneyGram,Paypal,
  • Updatetime:Apr 05 2017
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Supplier Details

Tianjin Incentive Technology Co., Ltd [Audited]

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Bromocresol PurpleQuick Details

  • Classification:Other Chemicals
  • Cas NO.:115-40-2
  • EINECS:204-087-8
  • Molecular Formula:C21H16Br2O5S
  • Melting Point:245℃
  • Boiling Point:590.2°Cat760mmHg
  • Stability:Stable. Incompatible with strong oxidizing agents.
  • Water Solubility:practically insoluble
  • Refractive index:1.694
  • Flash Point:310.7°C
  • Purity:98%
  • Appearance:Rose Red Crystalline Powder
  • usage:It is used as a pH indicator or dye.
  • Brand Name:INCENTIVE TECH

Packaging & Delivery

  • Packaging Detail:10g, 100g, 500g, 1kg, 5kg, 25kg
  • Delivery Detail:According to order quantity.

Detailed Description

 

Properties  
Appearance: Rose Red Crystalline Powder
Melting Point:  245
Boiling Point: 225
Flash Point:  332.4
Water Solutility: Practically insoluble
Stability: Stable. Incompatible with strong oxidizing agents.
   
Safty Info  
Safety Statements: S26-S37/39
HS Code: 2907129000
WGK Germany: 3
RIDADR: UN 1933 3/PG 3
Risk Statements: R36/37/38
Hazard Codes: Xi:Irritant
   
Use & Storage  
Use: It is used as an indicator.  Also can be used in medical laboratories to measure albumin, and as an addition to acid stop baths used in photographic processing as an indicator that the bath has reached neutral pH and needs to be replaced.
Storage: Store at RT. 
   
COA  
Item Standard
Appearance Rose Red Crystalline Powder
PH 5.2 - 6.8 Light Yellow - Purple Red
Mass Absorption Wavelength  (nm) λ1 ( PH 5.2 ) 432 - 440
λ2 ( PH 6.8 ) 588 - 590
Loss on Drying 0.5%
Residue on Ignition 0.1% 

Company Related Products

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Bromocresol Green

Bromocresol Green

  • Min. Order: 10 Gram
  • FOB Price: USD 200 / Kilogram
  • Purity: 98%
  • Packaging Detail: 10g, 100g, 500g, 1kg, 5kg, 25kg
  •  

    Properties  
    Appearance: Pale Yellow  Powder
    Density: 0.79 g/mL at 20 °C
    Boiling Point: 225
    Flash Point:  332.4
    Stability: Stable
       
    Safty Info  
    RTECS: SJ7456000
    Safety Statements: S26-S37/39
    HS Code: 2934991000
    WGK Germany: 3
    RIDADR: UN 1219
    Risk Statements: R36/37/38
    Hazard Codes: Xi:Irritant
       
    Use & Storage  
    Use: It is used as a pH indicator and as a tracking dye for DNA agarose gel electrophoresis. It can be used in its free acid form (light brown solid), or as a sodium salt (dark green solid). It is also an inhibitor of the prostaglandin E2 transport protein.
    Storage: Store at RT. 
       
    COA  
    Item Standard
    Appearance Pale Yellow Powder
    PH 3.8 - 5.4 Yellowish Green - Blue
    Mass Absorption Wavelength  (nm) λ1 ( PH 3.8 ) 440 - 445
    λ2 ( PH 5.4 ) 615 - 618
    Mass Absorption Coefficient    (L/ cm. g)  α1 ( λ1, PH3.8, dry sample ) 24 - 28   
    α2 ( λ2, PH5.4, dry sample ) 53 - 58
    Loss on Drying 3.0%
    Residue on Ignition 0.25% 

    Detail more >>
    m-cresol Purple

    m-cresol Purple

  • Min. Order: 10 Gram
  • FOB Price: USD 1 / Kilogram
  • Purity: 98%
  • Packaging Detail: 10g, 100g, 500g, 1kg, 5kg, 25kg
  •  

    Properties  
    Appearance: Green Crystalling Powder
    Density: 1.404 g/cm3
    Boiling Point: 577.5ºC at 760 mmHg
    Stability: Stable
       
    Safty Info  
    Safety Statements: S24/25
    HS Code: 3822009000
       
    Use & Storage  
    Use: It is used as a pH indicator or dye.
    Storage: Store at RT. 
       
    COA  
    Item Standard
    Appearance Green Crystalline Powder
    PH Change Range 3.8 (Pink) - 5.4 (Yellow)
    Mass Absorption Wavelength  (nm) λ1 (PH 1.2): 526 - 529
    λ2 (PH 2.8): 431 - 437
    λ3 (PH 7.4): 431 - 437
    λ4 (PH 9.0): 576 - 580
    Mass Absorption Coefficient    (L/ cm. g)  α1λ1, PH 1.2, dry sample80-94
    α2λ2, PH 2.8, dry sample40-46
    α3λ3, PH 7.4, dry sample39-45
    α4λ4, PH 9.0, dry sample75-86
    Ethanol Dissolution Passed
    Loss on Drying 1.0% 

    Detail more >>

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