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Key Documents

SML3779

Sigma-Aldrich

Methotrexate disodium salt

≥98% (HPLC)

Synonym(s):

Amethopterin sodium, N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-glutamic acid disodium salt, Sodium methotrexate

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About This Item

Empirical Formula (Hill Notation):
C20H20N8Na2O5
CAS Number:
Molecular Weight:
498.40
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.21

Quality Level

Assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

white to brown

solubility

H2O: 2 mg/mL, clear

storage temp.

-10 to -25°C

Biochem/physiol Actions

Methotrexate disodium salt is a potent is a folic acid antagonist that is used as an antineoplastic and antirheumatic drug. Methotrexate disodium salt is a potent inhibitor of dihydrofolate reductase.

Caution

Hygroscopic

Pictograms

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Skin Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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