Molekula
Benzyl Orange, potassium Salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Benzyl Orange, potassium salt is a synthetic azo dye used primarily as an acid-base indicator in the acidic pH range, as an analogue of methyl orange. It’s also applied in biological staining and certain industrial applications where bright, stable coloration is required. This chemical has a CAS number of 589-02-6, a molecular formula of C19H16N3KO3S, and a molecular weight of 405.51 g/mol. It can be stored at ambient conditions, though it carries a Warning signal word for safety. Molekula supplies Benzyl Orange, potassium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 232 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028090 |
| CAS Number | 589-02-6 |
| IUPAC Name | potassium 4-[[4-(benzylamino)phenyl]diazenyl]benzenesulfonate |
| EC Number | 209-630-2 |
| Molecular Formula | C19H16N3KO3S |
| Molecular Weight | 405.51 |
| Exact Mass | 405.0549 |
| SMILES | C1=CC=C(C=C1)CNC2=CC=C(C=C2)N=NC3=CC=C(C=C3)S(=O)(=O)[O-].[K+] |
| InChIKey | HHGSSTKRFXJDCV-UHFFFAOYSA-M |
| InChI | InChI=1S/C19H17N3O3S.K/c23-26(24,25)19-12-10-18(11-13-19)22-21-17-8-6-16(7-9-17)20-14-15-4-2-1-3-5-15;/h1-13,20H,14H2,(H,23,24,25);/q;+1/p-1 |
| PubChem CID | 23692947 |
| REACH Code | Y110 |
| HTS Code | 29215150 |
| Tariff Code | 2921511990 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Benzyl Orange, potassium salt primarily used for?
Benzyl Orange, potassium salt is used as an acid-base indicator in the acidic range, as an analogue of methyl orange. It is also used as a dye in textiles and plastics for coloring applications, particularly in acidic media.
What is the chemical formula and molecular weight of Benzyl Orange, potassium salt?
The chemical formula is C₁₉H₁₆N₃KO₃S, and the molecular weight is 405.51 g/mol.
How should Benzyl Orange, potassium salt be stored?
Store at ambient temperature in a cool, dry place, away from direct sunlight and incompatible substances.
What grades or purity levels of Benzyl Orange, potassium salt does Molekula supply?
Molekula supplies technical-grade Benzyl Orange, potassium salt, suitable for industrial and commercial applications.
Can Molekula supply Benzyl Orange, potassium salt in bulk quantities?
Yes, Molekula can supply Benzyl Orange, potassium salt in bulk quantities upon request, subject to availability and order specifications.
What documentation comes with an order of Benzyl Orange, potassium salt?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.