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Safety Information

M5015

Sigma-Aldrich

Methyl Green

certified by the Biological Stain Commission

Synonym(s):

Ethyl Green

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About This Item

Linear Formula:
C27H35BrClN3 · ZnCl2
CAS Number:
7114-03-6
Molecular Weight:
653.24
Colour Index Number:
42590
Beilstein:
3914106
EC Number:
230-415-4
MDL number:
MFCD00151094
UNSPSC Code:
12171500

grade

certified by the Biological Stain Commission

composition

Dye content, ~90%

pH

0.2-1.8, yellow to blue

mp

>300 °C (lit.)

SMILES string

[Cl-].[Br-].Cl[Zn]Cl.CC[N+](C)(C)c1ccc(cc1)\C(c2ccc(cc2)N(C)C)=C3/C=C\C(C=C3)=[N+](\C)C

InChI

1S/C27H35N3.BrH.3ClH.Zn/c1-8-30(6,7)26-19-13-23(14-20-26)27(21-9-15-24(16-10-21)28(2)3)22-11-17-25(18-12-22)29(4)5;;;;;/h9-20H,8H2,1-7H3;4*1H;/q+2;;;;;+2/p-4

InChI key

RRKSQWOQZFIQKW-UHFFFAOYSA-J

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Quality

Material may be a mixture of monobromomonochloro and dichloro ZnCl2 salts. Halogen content listed on label.

Suitability

Certified for use as a counterstain in Altmann′s aniline acid fuchsin technique for mitochondria; for use in methyl green-pyronin methods for differential coloration of nucleic acids.

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Signal Word

Danger

Hazard Statements

H314,H335,H411

Hazard Classifications

Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
122K3706
069H3631
048H4387
046H4355
030K3687

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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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