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Safety Information

W3000

Sigma-Aldrich

Wright stain

certified by the Biological Stain Commission

Synonym(s):

Eosin Methylene blue according to Wright

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About This Item

CAS Number:
68988-92-1
MDL number:
MFCD00082143
UNSPSC Code:
12171500

grade

certified by the Biological Stain Commission

form

powder

solubility

methanol: 1 mg/mL

InChI

1S/C20H8Br4O5.C16H18N3S/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13/h1-6H,(H2-,25,26,27,28);5-10H,1-4H3/q;+1/p+1

InChI key

AXIKDPDWFVPGOD-UHFFFAOYSA-O

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Application

Reported to be superior to May-Grunwald Stain in blood staining.

Suitability

Certified as a stain for blood smears; and as a tissue stain in Nocht′s method. The Wright stain solution is used in place of the separate eosin and azure solutions in the Nocht method.

replaced by

Product No.
Description
Pricing

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

W3000-VAR:
W3000-BULK:
W3000-100G:
W3000-25G:

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Certificates of Analysis (COA)

Lot/Batch Number
MKBD6952V
MKBD6952
MKBC3210
MKAA3244
10796JJ

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Analysis and testing of biological stains--the Biological Stain Commission Procedures.
D P Penney et al.
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 77(5-6), 237-275 (2003-02-05)

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