Chemistry:Green S

Green S
Names
	IUPAC name Sodium 4-[(4-dimethylaminophenyl)-(4-dimethylazaniumylidene-1-cyclohexa-2,5-dienylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate
	Other names Food green S; FD&C green 4; acid green 50; lissamine green B; wool green S; C.I. 44090; E142;
Identifiers
CAS Number	3087-16-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	82646 ;
PubChem CID	91525;
UNII	9B7E8Y9D0X ;
	InChI InChI=1S/C27H26N2O7S2.Na/c1-28(2)20-9-5-17(6-10-20)25(18-7-11-21(12-8-18)29(3)4)26-23-14-13-22(37(31,32)33)15-19(23)16-24(27(26)30)38(34,35)36;/h5-16H,1-4H3,(H2,31,32,33,34,35,36);/q;+1/p-1 Key: WDPIZEKLJKBSOZ-UHFFFAOYSA-M ; InChI=1/C27H26N2O7S2.Na/c1-28(2)20-9-5-17(6-10-20)25(18-7-11-21(12-8-18)29(3)4)26-23-14-13-22(37(31,32)33)15-19(23)16-24(27(26)30)38(34,35)36;/h5-16H,1-4H3,(H2,31,32,33,34,35,36);/q;+1/p-1 Key: WDPIZEKLJKBSOZ-REWHXWOFAE;
	SMILES [Na+].[O-]S(=O)(=O)c1ccc4c(c1)cc(c(O)c4/C(=C2\C=C/C(=[N+](/C)C)/C=C2)c3ccc(N(C)C)cc3)S([O-])(=O)=O;
Properties
Chemical formula	C27H25N2NaO7S2
Molar mass	576.62 g/mol
Melting point	210 °C (410 °F; 483 K) (decomposes)
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H302, H315, H319, H335
GHS precautionary statements	P261, P305+351+338
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	verify (what is ?)
	Infobox references

Short description: Chemical compound and dye

Green S is a green synthetic coal tar triarylmethane dye with the molecular formula C₂₇H₂₅N₂O₇S₂Na.

As a food dye, it has E number E142. It can be used in mint sauce, desserts, gravy granules, sweets, ice creams, and tinned peas. Green S is prohibited as a food additive in Canada, United States, Japan, and Norway.^[3] It is approved for use as a food additive in the EU^[4] and Australia and New Zealand.^[5]

References

↑ "Safety Data Sheet for Green S". Sigma-Aldrich. https://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=06737&brand=SIAL&PageToGoToURL=https%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fproduct%2Fsial%2F06737%3Flang%3Den.
↑ Sigma-Aldrich Co., Green B. Retrieved on 2019-06-09.
↑ "Green S". https://www.atamanchemicals.com/green-s_u26184/.
↑ UK Food Standards Agency: "Current EU approved additives and their E Numbers". http://www.food.gov.uk/safereating/chemsafe/additivesbranch/enumberlist.
↑ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". 8 September 2011. http://www.comlaw.gov.au/Details/F2011C00827.

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Original source: https://en.wikipedia.org/wiki/Green S. Read more

[1] "Safety Data Sheet for Green S". Sigma-Aldrich. https://www.sigmaaldrich.com/MSDS/MSDS/DisplayMSDSPage.do?country=US&language=en&productNumber=06737&brand=SIAL&PageToGoToURL=https%3A%2F%2Fwww.sigmaaldrich.com%2Fcatalog%2Fproduct%2Fsial%2F06737%3Flang%3Den.

[sigma-2] Sigma-Aldrich Co., Green B. Retrieved on 2019-06-09.

[3] "Green S". https://www.atamanchemicals.com/green-s_u26184/.

[4] UK Food Standards Agency: "Current EU approved additives and their E Numbers". http://www.food.gov.uk/safereating/chemsafe/additivesbranch/enumberlist.

[5] Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". 8 September 2011. http://www.comlaw.gov.au/Details/F2011C00827.

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Names


IUPAC name Sodium 4-[(4-dimethylaminophenyl)-(4-dimethylazaniumylidene-1-cyclohexa-2,5-dienylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate
Other names Food green S FD&C green 4 acid green 50 lissamine green B wool green S C.I. 44090 E142
Identifiers
CAS Number	3087-16-9^Y
3D model (JSmol)	Interactive image
ChemSpider	82646^Y
PubChem CID	91525
UNII	9B7E8Y9D0X^N
InChI InChI=1S/C27H26N2O7S2.Na/c1-28(2)20-9-5-17(6-10-20)25(18-7-11-21(12-8-18)29(3)4)26-23-14-13-22(37(31,32)33)15-19(23)16-24(27(26)30)38(34,35)36;/h5-16H,1-4H3,(H2,31,32,33,34,35,36);/q;+1/p-1^Y Key: WDPIZEKLJKBSOZ-UHFFFAOYSA-M^Y InChI=1/C27H26N2O7S2.Na/c1-28(2)20-9-5-17(6-10-20)25(18-7-11-21(12-8-18)29(3)4)26-23-14-13-22(37(31,32)33)15-19(23)16-24(27(26)30)38(34,35)36;/h5-16H,1-4H3,(H2,31,32,33,34,35,36);/q;+1/p-1 Key: WDPIZEKLJKBSOZ-REWHXWOFAE
SMILES [Na+].[O-]S(=O)(=O)c1ccc4c(c1)cc(c(O)c4/C(=C2\C=C/C(=[N+](/C)C)/C=C2)c3ccc(N(C)C)cc3)S([O-])(=O)=O
Properties
Chemical formula	C₂₇H₂₅N₂NaO₇S₂
Molar mass	576.62 g/mol
Melting point	210 °C (410 °F; 483 K) (decomposes)^[1]
Hazards
GHS pictograms
GHS Signal word	Warning
GHS hazard statements	H302, H315, H319, H335
GHS precautionary statements	P261, P305+351+338
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
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