Carmine
Key Features and Details
Carmine
SYNONYMS: Carminic Acid; Cochineal; Natural Red 4; Nacarat; C.I. 75470; Alum Lake of Carminic Acid
CAS: #
1390-65-4
MOLECULAR FORMULA: C44H43AlCaO32
MOLECULAR WEIGHT: 492.389 g/mol
EC No: 215-724-4
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PRODUCT DESCRIPTION
Carmine
Application Notes
Uses: 1. Orth's Lithium Carmine for demonstrating nuclei in animal tissue.2. Best's stain for staining glycogen.3. Mayer's Mucicarmine in conjunction with Hematoxylin and Metanil Yellow (mucin stain).4. Stain for trematode whole mounts, Iron Acetocarine (nuclear stain for temporary preparations).5. Precipitated Borax Carmine for nuclear stain for permanent preparations. 6. Alcoholic-hydrochloric acid Carmine for chromosomes at various stages of nuclear division.
Usage Statement
Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.
Key Applications
Best's stain for staining glycogen
SPECIFICATIONS
SKU: 02152634-CF
Base Catalog Number: 152634
Alternate Names: Carminic Acid; Cochineal; Natural Red 4; Nacarat; C.I. 75470; Alum Lake of Carminic Acid
CAS
: #
1390-65-4
Color Index
: 75470
EC No
: 215-724-4
Format
: Powder
Melting Point
: Decomposes at 277° F (NTP, 1992)
Molecular Formula
: C44H43AlCaO32
Molecular Weight
: 492.389 g/mol
pH
: pH = 4.8 (yellow); pH = 6.2 (violet)
PPE
: Eyeshields, Gloves, respirator filter
RTECS No
: FH8891000
Solubility
: less than 1 mg/mL at 70° F (NTP, 1992)
UV Visible Absorbance
: ? max (0.1N NaOH): 528 - 532, 560 - 567 nm
Vapor Pressure
: 5.07X10-27 mm Hg at 25 deg C (est)
