Molekula
o-Cresolphthalein complexone disodium 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
o-Cresolphthalein complexone disodium salt is a pH indicator used in complexometric titrations, particularly for detecting metal ions like calcium and magnesium. It appears as a red crystalline powder and is soluble in water. CAS: 94442-10-1, Molecular Formula: C32H30N2Na2O12, Molecular Weight: 680.57 g/mol, Storage: Ambient, Signal Word: None. Molekula supplies o-Cresolphthalein complexone disodium 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.
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 | Beige to light pink powder |
| Identification | Conforms to reference |
| Solubility | (0.1% Ethanol) Almost transparent solution |
| Purity | ≥80.0% |
| Suitability as a complexometric indicator | Pass |
| Absorptivity (1%/1cm (0.1N NaOH) | ≥670 (λmax575.4 nm) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90029973 |
| CAS Number | 94442-10-1 |
| Molecular Formula | C32H30N2Na2O12 |
| Molecular Weight | 680.57 |
| REACH Code | Y113 |
| HTS Code | 2932.20.4500 |
| Tariff Code | 2932209090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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 o-Cresolphthalein complexone disodium salt used for?
It is primarily used as a metal ion indicator in complexometric titrations, especially for detecting calcium and magnesium ions.
What is the chemical formula and molecular weight?
The formula is C32H30N2Na2O12 with a molecular weight of 680.57 g/mol.
How should o-Cresolphthalein complexone disodium salt be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in analytical grade for laboratory use.
Can Molekula supply this in bulk?
Yes, Molekula can supply o-Cresolphthalein complexone disodium salt in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) upon request.
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.