Light green, AR

Name: Light green, AR
Brand: Vaqora Chemicals
SKU: VQ-045919

About Light green, AR

Light green (CAS 5141-20-8) is a biological stain offered by Vaqora Chemicals (AR grade). Its molecular formula is C37H34N2Na2O9S3 and its molecular weight is 792.9 g/mol. Alternative names: Light Green SF Yellowish and Acid Green 5.

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 histology and cytology staining, microscopy and clinical laboratories. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 25 g and 100 g packs, Light green is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Light green, AR
Catalogue No.	VQ-045919
CAS Number	5141-20-8
IUPAC name	disodium;3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-(4-sulfonatophenyl)methyl]anilino]methyl]benzenesulfonate
Molecular formula	C₃₇H₃₄N₂Na₂O₉S₃
Molecular weight	792.9 g/mol
Exact mass	792.1222
Grade	AR
HSN code	32041216
InChIKey	DGOBMKYRQHEFGQ-UHFFFAOYSA-L
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)S(=O)(=O)[O-].[Na+].[Na+]
PubChem CID	21223

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 10
TPSA	203 Å²
Synonyms	Light Green SF Yellowish, Acid Green 5, C.I. Acid Green 5, A F Green No.2, D&C Green No. 2, C.I. Food Green 2, FD&C Green No. 2, D And C Green No. 4, FD And C Green No. 2-Aluminum Lake, D&C Green No. 4, Lissamine Green SF, Pencil Green SF

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H351Suspected of causing cancer

Precautionary statements: P203, P280, P318, 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 5141-20-8

Microscopy

Light green

CAS: 5141-20-8
Formula: C₃₇H₃₄N₂Na₂O₉S₃
MW: 792.9 g/mol

VQ-000609

Microscopy

Light green SF yellowish

CAS: 5141-20-8
Formula: C₃₇H₃₄N₂Na₂O₉S₃
MW: 792.9 g/mol

VQ-000610

Frequently asked questions

What is the CAS number of Light green, AR?

The CAS Registry Number of Light green, AR is 5141-20-8. It is also known as Light Green SF Yellowish, Acid Green 5, C.I. Acid Green 5.

What is the molecular formula and molecular weight of Light green, AR?

Light green, AR has the molecular formula C37H34N2Na2O9S3 and a molecular weight of 792.9 g/mol.

Which grade and pack sizes of Light green, AR can I order?

We supply Light green, AR in AR grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Light green, AR?

Yes. Every lot of Light green, AR 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 Light green, AR be shipped internationally?

Yes. Light green, AR 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.