Skip to Content
Merck
All Photos(1)

Key Documents

Safety Information

75482

Sigma-Aldrich

Gram′s decolorizer solution

for Gram staining

Synonym(s):

Acetone ethanol mixture

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
MDL number:
UNSPSC Code:
12171500
NACRES:
MA.02

Quality Level

form

liquid

technique(s)

microbe id | staining: suitable

refractive index

n20/D 1.361

density

0.80 g/mL at 20 °C

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

General description

Gram staining is one of the most significant staining techniques in microbiology. Gram′s decolorizer solution is a mixture of ethanol and acetone.

Application

Gram′s decolorizer solution is used in Gram staining procedure, after the iodine step to remove the crystal violet dye. The decolorizer dissolves the lipid layer from the gram-negative cells.

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

68.0 °F

Flash Point(C)

20 °C

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.

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

75482-BULK-F:
75482-VAR-F:
75482-250ML-F:4548173288536
75482-2.5L-F:4548173288529


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Clostridia are relatively large, gram-positive, rod-shaped bacteria that can undergo only anaerobic metabolism.

Specific agars and broths support detection and cultivation of Campylobacter, requiring complex media with essential supplements.

For microbiologists the most fundamental stain was developed in 1884 by the Danish bacteriologist Hans Christian Gram.

Clostridium perfringens can cause contamination in undercooked or improperly sterilized canned foods and water. Learn to detect, identify, and differentiate this pathogen.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service