Span Chemicals

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Profile: Span Chemicals is a manufacturer, supplier and exporter of dye-intermediates. Anthranilic acid is used for making dyes, dye-intermediates, perfumery chemicals, pigments, and pharmaceutical intermediates. Chlorination of anthranilic acid gives the 2,4-dichloro derivative. Industrially, anthranilic acid is an intermediate in the production of azo dyes and saccharin. It and its esters are used in preparing perfumes to imitate jasmine and orange, pharmaceuticals (loop diuretics e.g. furosemide) and UV-absorber as well as corrosion inhibitors for metals and mold inhibitors in soy sauce.

7 Products/Chemicals (Click for related suppliers)

• Anthranilic Acid

IUPAC Name: 2-aminobenzoic acid | CAS Registry Number: 118-92-3
Synonyms: anthranilic acid, 2-aminobenzoic acid, o-Carboxyaniline, o-aminobenzoic acid, vitamin L1, 2-Carboxyaniline, anthranilate, o-Anthranilic acid, Carboxyaniline, 2-aminobenzoate, Benzoic acid, 2-amino-, Vitamin L, Cupric anthranilate, o-Aminobenzoesaeure, AMINOBENZOIC ACID, 2-Aminobenzoesaeure, 2-Carboxyphenylamine, ortho-Aminobenzoic acid, Caswell No. 033G, 1-Amino-2-carboxybenzene

Molecular Formula:	C₇H₇NO₂	Molecular Weight:	137.135980 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: RWZYAGGXGHYGMB-UHFFFAOYSA-N

• Dyes and Dyestuff Intermediates

• Phthalimide

IUPAC Name: isoindole-1,3-dione | CAS Registry Number: 85-41-6
Synonyms: PHTHALIMIDE, Benzoimide, o-Phthalic imide, Phenylimide, none, phtalimide, 1,3-Isoindolinedione, Isoindole-1,3-dione, 1H-Isoindole-1,3(2H)-dione, Phthalimid [German], Ftalimmide [Italian], 2-Diazoindan-1,3-dione, 1,2-Benzenedicarboximide, 1,3-Isoindoledione, PHTHALIC ACID,IMIDE, WLN: T56 BVMVJ, HSDB 5007, 240230_ALDRICH, 36734_RIEDEL, NSC 3108

Molecular Formula:	C₈H₅NO₂	Molecular Weight:	147.130800 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: XKJCHHZQLQNZHY-UHFFFAOYSA-N

• Stilbene Based Dye Intermediates

• 4-Nitrophthalimide

IUPAC Name: 5-nitroisoindole-1,3-dione | CAS Registry Number: 89-40-7
Synonyms: 4-NITROPHTHALIMIDE, Phthalimide, 4-nitro-, 5-Nitrophthalimide, CCRIS 4685, Oprea1_866451, 5-nitro-isoindole-1,3-dione, 1H-Isoindole-1,3(2H)-dione, 5-nitro-, NSC 5394, EINECS 201-905-5, NSC5394, AIDS019434, 332097_SIAL, AIDS-019434, 5-Nitro-1H-isoindole-1,3(2H)-dione, BRN 0180224, ZINC00105138, AI3-00701, LS-1893, NCGC00091620-01, ST5306864

Molecular Formula:	C₈H₄N₂O₄	Molecular Weight:	192.128360 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: ANYWGXDASKQYAD-UHFFFAOYSA-N

• 5-Sulpho Anthranilic Acid

IUPAC Name: 2-amino-5-sulfobenzoic acid | CAS Registry Number: 3577-63-7
Synonyms: 5-Sulphoanthranilic acid, 2-Amino-5-sulfobenzoic acid, 5-SULFOANTHRANILIC ACID, Benzoic acid, 2-amino-5-sulfo-, EINECS 222-697-2, LS-1235, SL-00597

Molecular Formula:	C₇H₇NO₅S	Molecular Weight:	217.199180 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	6

InChIKey: MJNYPLCGWXFYPD-UHFFFAOYSA-N

• 2-(2-Benzylidenehydrazinyl)-5-sulfobenzoic acid

IUPAC Name: 2-[(2E)-2-benzylidenehydrazinyl]-5-sulfobenzoic acid | CAS Registry Number: 68645-45-4
Synonyms: AKOS016011294, AK120404

Molecular Formula:	C₁₄H₁₂N₂O₅S	Molecular Weight:	320.320480 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	7

InChIKey: VVHZWOZTIIKKRH-OQLLNIDSSA-N