Molekula
Calconcarboxylic acid
Calconcarboxylic acid is a chromogenic reagent used in analytical chemistry for complexometric titrations, particularly in the detection of metal ions. It functions as an indicator due to its color change upon metal ion binding. Available with CAS number 3737-95-9, molecular formula C21H14N2O7S, and molecular weight 438.41 g/mol. Stored at ambient temperatures. Signal word: Warning. Molekula supplies Calconcarboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Calconcarboxylic acid is a chromogenic reagent used in analytical chemistry for complexometric titrations, particularly in the detection of metal ions. It functions as an indicator due to its color change upon metal ion binding. Available with CAS number 3737-95-9, molecular formula C21H14N2O7S, and molecular weight 438.41 g/mol. Stored at ambient temperatures. Signal word: Warning. Molekula supplies Calconcarboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Black/dark violet powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 3737-95-9 |
| Molecular Formula | C21H14N2O7S |
| Molecular Weight | 438.41 |
| SMILES | C1=CC=C2C(=C1)C=C(C(=C2N=NC3=C(C=C(C4=CC=CC=C43)S(=O)(=O)O)O)O)C(=O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29270050 |
| Tariff Code | 2927000090 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is calconcarboxylic acid used for?
Calconcarboxylic acid 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 of calconcarboxylic acid?
The chemical formula is C21H14N2O7S and the molecular weight is 438.41 g/mol.
How should calconcarboxylic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for calconcarboxylic acid?
Molekula supplies calconcarboxylic acid in analytical grade.
Can Molekula supply calconcarboxylic acid in bulk?
Yes, Molekula can supply calconcarboxylic acid in bulk quantities—please contact our sales team for details.
What documentation comes with a purchase of calconcarboxylic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.