Methyl thymol blue, GR

Name: Methyl thymol blue, GR
Brand: Vaqora Chemicals
SKU: VQ-000628

About Methyl thymol blue, GR

Methyl thymol blue (CAS 1945-77-3) is a biological stain offered by Vaqora Chemicals in AR grade. The compound has the formula C37H40N2Na4O13S, corresponding to a molecular weight of 844.7 g/mol. Alternative names: MTB and Methylthymol blue.

In its supplied form it is a dark brown powder. Reported physical data include a melting point of 221-224 °C. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and dyes and pigments manufacture. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 5 g, 25 g, 1 kg and 25 kg packs, Methyl thymol blue is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Dyes & pigments manufacture

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methyl thymol blue, GR
Catalogue No.	VQ-000628
CAS Number	1945-77-3
IUPAC name	tetrasodium;2-[[5-[3-[3-[[bis(carboxylatomethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxylatomethyl)amino]acetate
Molecular formula	C₃₇H₄₀N₂Na₄O₁₃S
Molecular weight	844.7 g/mol
Exact mass	844.1842
Grade	AR
HSN code	32049000
InChIKey	DIZZDZCUMBBRSG-UHFFFAOYSA-J
SMILES	CC1=C(C=C(C(=C1CN(CC(=O)[O-])CC(=O)[O-])O)C(C)C)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C(=C(C(=C4)C(C)C)O)CN(CC(=O)[O-])CC(=O)[O-])C.[Na+].[Na+].[Na+].[Na+]
PubChem CID	73037

Physical properties
Physical form	Powder
Appearance	Dark brown powder
Melting point	221-224 °C
H-bond donors / acceptors	2 / 15
TPSA	259 Å²
Synonyms	MTB, Methylthymol blue, Methylthymol Blue tetrasodium salt, Methylthymol Blue sodium salt, Methylthymol blue tetrasodium, Methylthymol Blue W/S, Methylthymol blue sodium, Methylthymol Blue, sodium salt, Methylthymol Blue Sodium Salt ACS grade, Methylthymol Blue sodium salt, Dye content 70 %, Methylthymol Blue sodium salt, p.a., ACS reagent, Tetrasodium N,N'-(3H-2,1-benzoxathiol-3-ylidenebis((6-hydroxy-5-is

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1945-77-3

Methyl thymol blue complexone

CAS: 1945-77-3
Formula: C₃₇H₄₀N₂Na₄O₁₃S
MW: 844.7 g/mol

VQ-000627

Methylthymol blue sodium salt

CAS: 1945-77-3
Formula: C₃₇H₄₀N₂Na₄O₁₃S
MW: 844.7 g/mol

VQ-000636

Frequently asked questions

What is the CAS number of Methyl thymol blue, GR?

The CAS Registry Number of Methyl thymol blue, GR is 1945-77-3. It is also known as MTB, Methylthymol blue, Methylthymol Blue tetrasodium salt.

What is the molecular formula and molecular weight of Methyl thymol blue, GR?

Methyl thymol blue, GR has the molecular formula C37H40N2Na4O13S and a molecular weight of 844.7 g/mol.

Which grade and pack sizes of Methyl thymol blue, GR can I order?

We supply Methyl thymol blue, GR in AR grade, in 5 g, 25 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl thymol blue, GR?

Yes. Every lot of Methyl thymol blue, GR is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methyl thymol blue, GR be shipped internationally?

Yes. We export Methyl thymol blue, GR worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.