Molekula
Titan Yellow
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
Titan Yellow is a synthetic azo dye, primarily used as a pH indicator in analytical chemistry and as a stain in biological research. It changes color in alkaline solutions, making it useful for detecting pH shifts and identifying certain compounds in laboratory settings. This chemical has a CAS number of 1829-00-1, with the molecular formula C28H19N5Na2O6S4 and a molecular weight of 695.72. It is stored at ambient conditions, marked with a signal word of Danger due to its hazardous properties. Molekula supplies Titan Yellow 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £51.00 per pack ex VAT · £61.20 inc. VAT
Need a different quantity or pack?
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
| Property | Value |
|---|---|
| Appearance | Rust colored powder |
| Loss on Drying | ≤10.0% |
| Assay | ≥65.0% |
| Clarity in Solution | Clear and complete |
| Visual Transition Interval | From pH 11.0 (yellow) to pH 13.0 (red) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90030031 |
| CAS Number | 1829-00-1 |
| Molecular Formula | C28H19N5Na2O6S4 |
| Molecular Weight | 695.72 |
| Exact Mass | 674.0272 |
| SMILES | CC1=C(C2=C(C=C1)N=C(S2)C3=CC=C(C=C3)NN=NC4=CC=C(C=C4)C5=NC6=C(S5)C(=C(C=C6)C)S(=O)(=O)O)S(=O)(=O)O.[Na] |
| InChIKey | IUHWSFJADUMIGG-UHFFFAOYSA-N |
| InChI | InChI=1S/C28H21N5O6S4.Na/c1-15-3-13-21-23(25(15)42(34,35)36)40-27(29-21)17-5-9-19(10-6-17)31-33-32-20-11-7-18(8-12-20)28-30-22-14-4-16(2)26(24(22)41-28)43(37,38)39;/h3-14H,1-2H3,(H,31,32)(H,34,35,36)(H,37,38,39); |
| PubChem CID | 156592428 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
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Serious Health Hazard
GHS08
Hazard statements
- H341 Suspected of causing genetic defects
- H350 May cause cancer
- H360D May harm the unborn child
- H371 May cause damage to organs
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P307+311 IF exposed: Call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, Spanish.
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 Titan Yellow commonly used for?
Titan Yellow is primarily used as a dye in textiles, leather, paper, and cosmetics, as well as a biological stain in microscopy.
What is the chemical formula and molecular weight of Titan Yellow?
The chemical formula is **C₂₈H₁₉N₅Na₂O₆S₄**, and the molecular weight is **695.72 g/mol**.
How should Titan Yellow be stored?
Store Titan Yellow at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.
What purity grades of Titan Yellow does Molekula supply?
Molekula supplies Titan Yellow in **technical and dye-grade purity**, typically ≥90% for industrial applications.
Can Molekula supply Titan Yellow in bulk quantities?
Yes, Molekula can supply Titan Yellow in bulk, with minimum order quantities (MOQs) tailored to your requirements—contact us for details.
What documentation comes with a Titan Yellow order?
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.