Calcein, GR

Name: Calcein, GR
Brand: Vaqora Chemicals
SKU: VQ-000327

About Calcein, GR

Calcein (CAS 1461-15-0) is an indicator offered by Vaqora Chemicals in AR grade. With the molecular formula C30H26N2O13, it has a molar mass of 622.5 g/mol. Alternative names: Fluorescein-bis(methyliminodiacetic acid) and Fluorexon.

The material typically appears as a yellow to brown powder. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for titration end-point detection, pH determination and analytical testing. It is used across academic and industrial research.

Standard pack sizes are 1 g, 5 g, 25 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Titration end-point detection
pH determination
Analytical testing

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Calcein, GR
Catalogue No.	VQ-000327
CAS Number	1461-15-0
IUPAC name	2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid
Molecular formula	C₃₀H₂₆N₂O₁₃
Molecular weight	622.5 g/mol
Exact mass	622.1435
Grade	AR
HSN code	32049000
InChIKey	DEGAKNSWVGKMLS-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C(=C4)CN(CC(=O)O)CC(=O)O)O)OC5=C3C=C(C(=C5)O)CN(CC(=O)O)CC(=O)O
PubChem CID	65079

Physical properties
Physical form	Powder
Appearance	Yellow to brown powder
LogP (XLogP3)	-3.1
H-bond donors / acceptors	6 / 15
TPSA	232 Å²
Synonyms	Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein, Fluorescein-bis(methyliminodiacetic acid), Fluorexon, Oftasceine, 2',7'-Bis((bis(carboxymethyl)amino)methyl)fluorescein, 2,7-Bis(N,N-bis(carboxymethyl)aminomethylene)fluorescein, Fluorexone, Oftasccine, Calcein indicator, 2',7'-Bis((bis(carboxym, Calcein indicator, for metal determination, Calcein for Fluorometric Determination of Ca

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1461-15-0

Calcein

CAS: 1461-15-0
Formula: C₃₀H₂₆N₂O₁₃
MW: 622.5 g/mol

VQ-046788

Frequently asked questions

What is the CAS number of Calcein, GR?

The CAS Registry Number of Calcein, GR is 1461-15-0. It is also known as Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein, Fluorescein-bis(methyliminodiacetic acid), Fluorexon.

What is the molecular formula and molecular weight of Calcein, GR?

Calcein, GR has the molecular formula C30H26N2O13 and a molecular weight of 622.5 g/mol. Its IUPAC name is 2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid.

Which grade and pack sizes of Calcein, GR can I order?

We supply Calcein, GR in AR grade, in 1 g, 5 g, 25 g, 1 kg, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Calcein, GR?

Yes. Every lot of Calcein, GR is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Calcein, GR be shipped internationally?

Yes. Calcein, GR is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.