SPECIALITY DYESTUFF

 

Product:

Methylene Blue Zinc Free USP31.

CAS #:                                                   

7220-79-4.

Structural Formula:

http://garudachem.com/MBUS_files/image004.jpg

Synonyms:

Tetramethylthionine Chloride Trihydrate, 3-Methochloride Trihydrate; Basic Blue

9 Trihydrate; C.I. 52015 Trihydrate; Methylene Blue Trihydrate; Methylthionine Trihydrate.

Molecular Formula:

C16H24ClN3O3S.

Molecular Weight:

319.85.

Description:

Dark green crystalline powder, odourless, highly hygroscopic.

Identification:                                       

Complies with the infrared absorption test of USP31.

Arsenic:

Not more than 8 parts per million.

Copper:

Not more than 0.02 % max.

Zinc:

Not more than 0.02 % max.

Volatile Organic Compounds: Complies as per tests stipulated by USP31.

Residue on Ignition:

1.2 % max

Moisture Content:

8.0 to 18.0 %

Assay:

98.0 to 103.0% on dry basis.

MAX:

Absorption between 663 and 665 N.M.

 

                                                               Related Information

 

We offer packing customised to customer-requirement. Standard packing for this product is 25.0 kilos net, new, polylined, HDPE drums.

We mostly keep small quantities of this material in ready stock.

Please enquire for updated information on delivery schedule, pricing and payment terms to <gcsales@garudachem.com>

 

H.T.S.#:

3204.1900

REACH Registration #:

 

Known Applications:

fluorophore commonly used in microscopy, in a type of dye laser as the gain medium; in forensics and serology to detect latent blood stains; and in dye tracing; colour additive (D&C Yellow no. 7). The disodium salt form of fluorescein is known as D&C Yellow no. 8

 

 

MSDS

 

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 Garuda

Tel:

+91.22.28201198/28215596

Email:

gcsales@garudachem.com

Fax:

+91.22.28201201