C
20
H
12
O
5
Molecular Weight:
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Fluorescein
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unit price:
negotiable
min amount:
amount:
period for delivery:
Consignment Deadline
Days
area:
Beijing
Expiry date :
Long Effective
last update:
2017-12-22 10:54
view count:
107
Company Profile
Shenyang Xinguang Chemical Factory
By certification
[File Integrity]
Contact
sxcf5018(Mr.)
telephone
Area
Beijing
Address
No.28 Shanyu Road.Sujiatun District,Shenyang,China.
Website:
http://sxcf5018.whcstjd.com/
Product details
Product name:
Fluorescein
CAS NO.:
2321-7-5
Molecular formula:
C
20
H
12
O
5
Molecular Weight:
332.31
Properties:
Orange or red powder, solve in hot alcohol, acetic acid and lye, insolve in water.
Specification (HG/T 3494-1999)
Item Name:
Ind Grade
Maximal absorption wavelength λ(PH8.0),nm
490-493
Quality absorption coefficient λ(PH8.0),L/(cm•g)
≥200
Solubility in alcohol
Passes test
Sulfated ash,percent
≤0.3
Loss on drying, percent
≤5.0
Sensitivity test
Passes test
Total
0
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