Dangerous Goods
structure of 81-64-1

Quinizarin(CAS 81-64-1)

CAS No.: 81-64-1 Brand: MolBest
M. Ft.: C14H8O4 Cat. No: G9482939
M. Wt.: 240.21 MDL: MFCD00001209
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2914610000 UN No.: UN 3077
Purity Grade Package Stock Price Quantity
95%
Documents:COANMRLCMSSDS
RG 25G In Stock 4 USD
95%
Documents:COANMRLCMSSDS
RG 100G In Stock 8 USD
95%
Documents:COANMRLCMSSDS
RG 500G In Stock 21 USD
95%
Documents:COANMRLCMSSDS
RG 2.5KG In Stock 138 USD
95%
Documents:COANMRLCMSSDS
RG 25KG In Stock 1363 USD
Your region is eligible for ordering.
Should you have any questions, please contact us by Email.
Batch COA
Available
NMR Spectrum
Verified
In Stock
Fast Shipping
ISO 9001
Quality System

Quick Links

Applications of 81-64-1

Quinizarin has a wide range of applications:

  • Dye Industry: It is primarily used as a dye for textiles and inks due to its vibrant red-orange color and excellent lightfastness properties. Quinizarin is also employed in coloring gasoline and heating oils.
  • Pigment Formation: Quinizarin serves as an intermediate for synthesizing various pigments, including indanthrene and alizarin-derived dyes.
  • Chemical Intermediate: Its ability to undergo substitution reactions allows it to be modified into numerous other dyes tailored for specific applications.

Physical and chemical properties of 81-64-1

Acidity coefficient

pK (18°) 9.51

Boiling Point

465.3±40.0 °C at 760 mmHg

BRN

1914036

Color Index

58050

Density

1.5±0.1 g/cm3

Exact Mass

240.042252

Flash Point

222 °C

Index of Refraction

1.733

LogP

4.47

Melting Point

196 °C

Merck

14,8064

Molecular Formula

C14H8O4

Molecular Weight

240.211

PSA

74.60000

Stability

BLACK PPT WITH CO2; SUBLIMES @ HIGH VACUUM

Storage condition

Store below +30°C.

Vapour density

8.3 (vs air)

Vapour Pressure

0.00000002 [mmHg]

Water Solubility

<1 g/L (20 ºC)

Spectrums of 81-64-1

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 81-64-1

Retrosynthesis analysis of 81-64-1


Q&A for CAS 81-64-1

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 81-64-1

Pictograms

Signal Word

Warning

Hazard Statements

H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Safety Data Sheet

Download COA of 81-64-1

CAS/Product ID
*Required fields
Lot/Batch Number
*Required fields

Operate under the ISO 9001 system