Chlorazol Black(CAS 1937-37-7)
| Purity | Grade | Package | Stock | Price | Quantity |
| 99% | RG | 5G | In Stock | 7 USD
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| 99% | RG | 10G | In Stock | 12 USD
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| 99% | RG | 25G | In Stock | 16 USD
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| 99% | RG | 50G | In Stock | 20 USD
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| 99% | RG | 100G | In Stock | 53 USD
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| 99% | RG | 500G | In Stock | 235 USD
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| 99% | RG | 2.5KG | In Stock | 1126 USD
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Your region is eligible for ordering. Available NMR Spectrum
Verified In Stock
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Quality System
Applications of 1937-37-7
| Industry | Application | Process |
|---|---|---|
| Textile dyeing and printing | Dyeing of cotton, viscose rayon, and their blends | Exhaust, jigger, or pad dyeing processes conducted in neutral or mildly acidic baths, using sodium sulfate (Glauber’s salt) as a leveling and exhausting agent |
| Textile dyeing and printing | Dyeing of silk and wool fabrics | Acetic acid bath dyeing process; requires precise control of acidity to ensure optimal exhaustion and color yield |
| Leather industry | Dyeing of chrome-tanned leather | Drum dyeing process for deep black shades, offering excellent penetration and strong dye-fiber bonding |
| Paper industry | Paper coloring | In-pulp dyeing process for producing black or dark-colored papers and paperboards |
| Biomedical/research | Histological staining | Counterstain in hematoxylin and eosin (H&E) staining, used for cytoplasmic and connective tissue visualization |
| Biomedical/research | Gel electrophoresis staining | Protein staining in polyacrylamide gel electrophoresis (PAGE), used for visualization of protein bands |
Physical and chemical properties of 1937-37-7
Boiling Point |
Decomposes (NTP, 1992) |
|---|---|
Color Index |
30235 |
Density |
1.61g/cm3 |
Exact Mass |
781.111389 |
Index of Refraction |
1.768 |
LogP |
11.91860 |
Melting Point |
Decomposes (NTP, 1992) |
Molecular Formula |
C34H25N9Na2O7S2 |
Molecular Weight |
781.728 |
PSA |
303.61000 |
Solubility |
Soluble in water; moderately soluble in ethanol and ethylene glycol monoethyl ether; insoluble in other organic solvents. |
Stability |
Light Sensitive |
Storage condition |
Amber Vial, Refrigerator, Under inert atmosphere |
Q&A for CAS 1937-37-7
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 1937-37-7
Pictograms |
  |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H319 Causes serious eye irritation H350 May cause cancer H361d Suspected of damaging the unborn child |
Safety Data Sheet |
Download COA of 1937-37-7
Operate under the ISO 9001 system
