Black 7984

Black 7984, Food Black 2, or C.I. 27755, is a brown-to-black synthetic diazo dye. It usually comes as a tetrasodium salt. In chemistry, azo compounds generally have a molecular formula of the form R-N=N-R, in which R and R can be either aromatic or aliphatic. ...

When used as a food dye, it has E number E152. It is also used in cosmetics. The color of food is considered important in its enjoyment. ... For the mathematical constant see: E (mathematical constant). ... Assorted cosmetics and tools Cosmetics ( ) or make-up are substances used to enhance the beauty of the human body. ...

Its use is discontinued in USA and EU since 1984. It is currently delisted and not used anymore both in European Union and USA. It is also not permitted in Australia and Japan.

It appears to cause allergic or intolerance reactions, particularly amongst those with an aspirin intolerance. It is a histamine liberator, and may worsen the symptoms of asthma. It is one of the colourants that the Hyperactive Children's Support Group recommends be eliminated from the diet of children. This article needs cleanup. ... Aspirin or acetylsalicylic acid (acetosal) is a drug in the family of salicylates, often used as an analgesic (against minor pains and aches), antipyretic (against fever), and anti-inflammatory. ... This article or section does not cite its references or sources. ...

Its CAS number is [2118-39-0] [1] and its SMILES structure is OC(C5=C4C=C (S(=O)([O-])=O) C(N)=C5)=CC(S(=O) ([O-])=O)=C4N=NC1=C C=C(N=NC3=CC=C(S (=O)([O-])=O)C=C3) C2=C1C=C(S(=O) ([O-])=O)C=C2. Its EINECS number is 218-326-9. CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... The simplified molecular input line entry specification or SMILES is a specification for unambiguously describing the structure of chemical molecules using short ASCII strings. ... The EINECS number (for European Inventory of Existing Chemical Substances) is a registry number given to each chemical substance commercially available in the European Union between 1 January 1971 and 18 September 1981. ...