Merck
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PHR3838

Supelco

Methylene Blue

new

certified reference material, pharmaceutical secondary standard

Synonym(s):
Methylene Blue hydrate
Empirical Formula (Hill Notation):
C16H18ClN3S · xH2O
CAS Number:
Molecular Weight:
319.85 (anhydrous basis)
Beilstein:
3599847
MDL number:

grade

certified reference material
pharmaceutical secondary standard

Quality Level

CofA

current certificate can be downloaded

packaging

pkg of 1 g

application(s)

pharmaceutical

storage temp.

2-8°C

SMILES string

O.[Cl-].CN(C)c1ccc2N=C3C=C\C(C=C3Sc2c1)=[N+](/C)C

InChI

1S/C16H18N3S.ClH.H2O/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;;/h5-10H,1-4H3;1H;1H2/q+1;;/p-1

InChI key

WQVSELLRAGBDLX-UHFFFAOYSA-M

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This Item
6672066719M9140
Methylene Blue certified reference material, pharmaceutical secondary standard

Supelco

PHR3838

Methylene Blue

Methylene Blue hydrate purum p.a., for microscopy (Bact., Bot., Hist., Vit.), ≥97.0% (calc. based on dry substance, AT)

Sigma-Aldrich

66720

Methylene Blue hydrate

Methylene Blue hydrate meets analytical specification of BP 73

Sigma-Aldrich

66719

Methylene Blue hydrate

Methylene blue certified by the Biological Stain Commission

Sigma-Aldrich

M9140

Methylene blue

grade

certified reference material

grade

for microscopy (Bact., Bot., Hist., Vit.), purum p.a.

grade

-

grade

certified by the Biological Stain Commission

CofA

current certificate can be downloaded

CofA

-

CofA

-

CofA

-

packaging

pkg of 1 g

packaging

-

packaging

-

packaging

-

application(s)

pharmaceutical

application(s)

-

application(s)

hematology
histology
pharmaceutical (small molecule)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

room temp

Quality Level

300

Quality Level

200

Quality Level

200

Quality Level

200

General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Analysis Note

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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