LAKE GREEN (CAS 5141-20-8) — formula C37H34N2Na2O9S3, molecular weight 792.9; category dyes and pigments.
LAKE GREEN (CAS 5141-20-8) is a chemical raw material in the dyes and pigments category. Its molecular formula C37H34N2Na2O9S3 comprises 37 C, 34 H, 2 N, 2 Na, 9 O, 3 S atoms. Its molecular weight is about 792.9. Reported physicochemical data: melting point around 288 °C (decomposes). As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 5141-20-8 |
|---|---|
| Molecular Formula | C37H34N2Na2O9S3 |
| Molecular Weight | 792.9 |
| Melting Point | 288 °C (decomposes) |
| Applications | Dyeing wool directly, nylon from a formic acid bath, silk from an acetic acid, formic acid or sulfuric acid bath and chromed leather. The barium lake is used in paper coatings and printing inks, As dye, biological stain |
| Category | Dyes & Pigments |
Documented applications: Dyeing wool directly, nylon from a formic acid bath, silk from an acetic acid, formic acid or sulfuric acid bath and chromed leather. The barium lake is used in paper coatings and printing inks, As dye, biological stain.
LAKE GREEN is a colorant or pigment compound with CAS registry number 5141-20-8 and molecular formula C37H34N2Na2O9S3 (molecular weight 792.9), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 5141-20-8
Its molecular formula C37H34N2Na2O9S3 comprises 37 C, 34 H, 2 N, 2 Na, 9 O, 3 S atoms.
Also known as: LAKE GREEN · 湖绿 · LAKE GREEN S
Category: dyes and pigments
The CAS registry number of LAKE GREEN is 5141-20-8.
Molecular formula C37H34N2Na2O9S3, molecular weight 792.9.
It is also registered under: LAKE GREEN, 湖绿, LAKE GREEN S.
Recorded applications: Dyeing wool directly, nylon from a formic acid bath, silk from an acetic acid, formic acid or sulfuric acid bath and chromed leather. The barium lake is used in paper coatings and printing inks, As dye, biological stain.
Category: Dyes & Pigments.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for LAKE GREEN (CAS 5141-20-8), compiled from public chemistry databases.
| CAS Registry Number | 5141-20-8 |
|---|---|
| PubChem CID | 21223 |
| Molecular formula | C37H34N2Na2O9S3 |
| 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 |
| UNII (FDA) | 3F7BHA64Z0 |
| Molecular Weight | 792.9 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 9 |
| Exact Mass | 792.12218275 |
| Monoisotopic Mass | 792.12218275 |
| Topological Polar Surface Area | 203 |
| Heavy Atom Count | 53 |
| Melting Point | 288 °C (decomposes) |
|---|---|
| Color Additive Status | 81.30 |
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; CCRIS 889; C.I. ACID GREEN 5, DISODIUM SALT; C.I. 42095; NSC 9619; EINECS 225-906-5; UNII-3F7BHA64Z0; FD And C Green No. 2-Aluminum Lake; 3F7BHA64Z0
| Regulatory & Food Contact | FDA Substance added to food: Use unspecified COLOUR: Food Additives FD&C GREEN NO. 2--DELISTED FD AND C GREEN No. 2 NMRS 38/TRS 309-JECFA 8/22 |
|---|---|
| GHS notification summary | 25% (2 / 8) |
| GHS notification summary | 25% (2 / 8) |
|---|---|
| Reported hazard statements | H351 (75%) |
This chemical does not meet GHS hazard criteria for 25% (2 of 8) of reports.
H351 (75%): Suspected of causing cancer [Warning Carcinogenicity]
LAKE GREEN S · CAS 5141-20-8 · C37H34N2Na2O9S3. UNII 3F7BHA64Z0. Melting Point: 288 °C (decomposes); Color Additive Status: 81.30.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 绿湖小号