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High Purity Phenol Red 143-74-8 Factory Supply
| Price | $60.00 |
|---|---|
| Min Order | 1 kg |
| Availability | In Stock |
| Shipping From | Liaoning, China |
| Popularity | 482 people viewed |
Model NO.:
IND
CAS No.:
143-74-8
Formula:
C19h14o5s
EINECS:
205-609-7
Classification:
Organic Analytical Reagents
Grade:
Ind
Specific Usage:
For Biological Purpose
Content:
Ind
Usage:
Laboratory Reagents
Source:
Concrete
Habit Appellation:
Special Reagent
Application:
Scientific Research
Property:
Biochemical Reagent
Molecular Weight:
354.4
Melting Point:
1.5±0.1 g/cm3
Boiling Point:
562.8±50.0 °c at 760 Mmhg
Storage Condition:
Store at Rt.
Trademark:
Sinochembt
Transport Package:
25 Kgs Fiber Drums
Origin:
Shenyang
HS Code:
3204901000
Product Description
pHVisual transition interval 1.2(Orange)-3.0(Yellow)
(nm)Maximum absorpti-
on wavelength 6.5(Brown yellw)-8.0(Purple)
λ1(pH 1.2) 503-506
λ2(pH 3.0) 430-435
λ3(pH 6.5) 430-435
λ4(pH 8.0) 557-560
Mass absorptivity,L/(cm.g)
α1(λ1,(pH 1.2,) 110-123
α2(λ2,(pH 3.0,) 60-68
α3(λ3,(pH 6.5,) 62-72
α4(λ4,(pH 8.0,) 120-135
Solubility in alkali PASS
Drying loss,% ≤1.0
Ignition residue,% ≤0.2
(nm)Maximum absorpti-
on wavelength 6.5(Brown yellw)-8.0(Purple)
λ1(pH 1.2) 503-506
λ2(pH 3.0) 430-435
λ3(pH 6.5) 430-435
λ4(pH 8.0) 557-560
Mass absorptivity,L/(cm.g)
α1(λ1,(pH 1.2,) 110-123
α2(λ2,(pH 3.0,) 60-68
α3(λ3,(pH 6.5,) 62-72
α4(λ4,(pH 8.0,) 120-135
Solubility in alkali PASS
Drying loss,% ≤1.0
Ignition residue,% ≤0.2
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