Description
Acid Red 88 (C.I. 15620) is a highly versatile monosodium salt azo dye, widely recognized for its vibrant red hue and excellent solubility in water. With the molecular formula C20H13N2NaO4S and CAS number 1658-56-6, this dye is a staple in textile, leather, and paper industries due to its strong affinity for protein-based fibers like wool and silk, as well as synthetic materials. Its technical-grade purity ensures consistent performance in dyeing applications, offering exceptional lightfastness and washfastness. Acid Red 88 is also utilized in biological staining, pH indicators, and as a colorant in inks and coatings. Packaged in airtight containers to maintain stability, this product is ideal for researchers and industrial applications requiring reliable and vivid coloration.
Properties
- CAS Number: 1658-56-6
- Complexity: 653
- IUPAC Name: sodium;4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate
- InChI: InChI=1S/C20H14N2O4S.Na/c23-18-11-9-13-5-1-2-6-14(13)20(18)22-21-17-10-12-19(27(24,25)26)16-8-4-3-7-15(16)17;/h1-12,23H,(H,24,25,26);/q;+1/p-1
- InChI Key: LGZQSRCLLIPAEE-UHFFFAOYSA-M
- Exact Mass: 400.04937236
- Molecular Formula: C20H13N2NaO4S
- Molecular Weight: 400.4
- SMILES: C1=CC=C2C(=C1)C=CC(=C2N=NC3=CC=C(C4=CC=CC=C43)S(=O)(=O)[O-])O.[Na+]
- Topological: 111
- Monoisotopic Mass: 400.04937236
- Synonyms: Acid red 88, 1658-56-6, Roccelline, Rocceline, Fast red S, Peony, Toyo roccelline, Nitto roccelline, Roccelline A, Roccelline K, Roccelline L, Roccelline S, Roccelline KG, Roccelline NS, Acid cardinal G, Anthrosin BRX, Kayaku roccelline, Pontacyl Fast Red AS, Airedale Red A, Brasilan Red S, Eriosin roccelline, Lurazol Red E, Neutral Red R, Shikiso roccelline, Vondacid Red GN, Atul Acid Fast Red A, Colacid Red AV, Benzyl Red S, Dai-ei Roccelline, Diacid Red A, Fenazo Red M, Tertracid Red RO, Benzyl Red ROC, Solid Red A, Acid Rose AV, Fast Acid Red G, Acid Red AV, Acid Red G, C.I. ACID RED 88, Fast Red AE, Fast Red AG, Fast Red AV, Fast Red MA, Azo Acid Red GS, Fast Red ALS, Naphthalene Red JS, New Red WO, Plastoresin Red RC, Red J, 2-Naphthol Red J, Amacid Fast Red A, Bucacid Fast Red A, Eniacid Fast Red A, Hidacid Fast Red A, Calcocid Fast Red A, Hispacid Fast Red A, Neklacid Fast Red A, Eriosin roccelline SS, Acid Leather Red ROC, Naphtocard Fast Red C, Fast Red A (acid dye), Naphthalene Red J, Drimarene turquoise X-2G, Red No. 506, Ext D and C Red No. 8, 11391 Red, CI 15620, EINECS 216-760-3, AR88 dye, 4-((2-Hydroxy-1-naphthalenyl)azo)1-naphthalenesulfonic acid sodium salt, C.I. 15620, 7Z2135Z4K4, CI ACID RED 88, 1-Naphthalenesulfonic acid, 4-((2-hydroxy-1-naphthalenyl)azo)-, monosodium salt, Sodium 4(-2-hydroxy-1-naphthylazo)naphthalenesulphonate, ACID RED 88, MONOSODIUM SALT, 4-(2-Hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid, Sodium 4-((2-hydroxy-1-naphthalenyl)azo)-1-naphthalenesulfonate, 1-Naphthalenesulfonic acid, 4-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-, sodium salt (1:1), SODIUM 4-((2-HYDROXY-1-NAPHTHALENYL)AZO-1-NAPHTHALENESULFONATE, 1-Naphthalenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt, Naphthalene Red J (6CI), Paeonia woodwardii, 1-Naphthalenesulfonic acid, 4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1), AKA506 [INCI], AKA506, CI 15620 [INCI], 1-Naphthalenesulfonic acid, 4-(2-hydroxy-1-naphthalenyl)azo-, monosodium salt, C.I. Acid Red 88, monosodium salt, ACIDRED88, Echt Rot, MFCD00004070, 4-(2-Hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid sodium salt, Acid Red 88 (Technical Grade), sodium;4-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate, UNII-7Z2135Z4K4, SCHEMBL342250, Acid Red 88, Technical grade, SCHEMBL9577785, SCHEMBL9577791, DTXSID1041714, MSK5946, YCRBPWIFISBYGJ-QPNALZDCSA-M, 4-((2-hydroxy-1-naphthalenyl)azo)1-naphthalenesulfonicacidsodiumsalt, AKOS000283063, AKOS015904107, AKOS037643591, FA41280, AS-17134, HY-118955, F0087, NS00013477, ST50411574, D90627, A919505, Q4674080, 4-[(2-hydroxynaphthyl)diazenyl]naphthalenesulfonic acid, sodium salt
Acid Red 88 is primarily used as a dye for proteinaceous fibers such as wool, silk, and nylon, delivering bright red shades with high fastness properties. In biological research, it serves as a staining agent for microscopic analysis due to its selective affinity for cellular structures. The dye is also employed in pH indicators and as a colorant in inks, coatings, and paper products. Its water solubility and stability make it suitable for industrial dyeing processes requiring precision and reproducibility.
Safety and Hazards
GHS Hazard Statements
- H319 (99%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Precautionary Statements
- P264+P265, P280, P305+P351+P338, and P337+P317
Hazard Classes and Categories
- Eye Irrit. 2 (99%)
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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.
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