Dangerous Goods
structure of 591-35-5

3,5-Dichlorophenol(CAS 591-35-5)

CAS No.: 591-35-5 Brand: MolBest
M. Ft.: C6H4Cl2O Cat. No: G1151565
M. Wt.: 163 MDL: MFCD00002259
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2908199090 UN No.: UN 2020 6.1 /PG III
Purity Grade Package Stock Price Quantity
98%
Documents:COANMRGCMSSDS
RG 5G In Stock 5 USD
98%
Documents:COANMRGCMSSDS
RG 25G In Stock 17 USD
98%
Documents:COANMRGCMSSDS
RG 100G In Stock 67 USD
98%
Documents:COANMRGCMSSDS
RG 500G In Stock 222 USD
98%
Documents:COANMRGCMSSDS
RG 2.5KG In Stock 1064 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 591-35-5

Industry Application Process
Pesticides Intermediate for herbicides, fungicides, and insecticides Synthesis of active ingredients via electrophilic substitution or condensation reactions, e.g., preparation of 2,4-dichlorophenoxyacetic acid (2,4-D) derivatives
Pharmaceuticals Intermediate in drug synthesis Construction of aromatic ring systems for active molecules such as antifungal and anti-inflammatory agents
Dyes Used in the synthesis of specific azo dyes and phenolic dyes Acts as a diazo component or coupling component in diazo coupling reactions
Polymers Modifier monomer or precursor for flame-retardant additives in epoxy resins, polycarbonates, and other polymers Introduction into polymer backbones or side chains via esterification, etherification, or condensation polymerization
Analytical Chemistry Reference standard or derivatization reagent Detection of phenolic pollutants in gas chromatography (GC) or high-performance liquid chromatography (HPLC)

Physical and chemical properties of 591-35-5

Acidity coefficient

pKa 8.48(H2O t=25 I=0.025) (Uncertain)

Boiling Point

at 100.9kPa: 233 °C

BRN

1906458

Decomposition

When heated to decomposition it emits toxic vapors of /hydrogen chloride/.

Density

Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.0

Exact Mass

161.963913

Flash Point

106.9±15.8 °C

Index of Refraction

1.594

LogP

3.62-3.68

Melting Point

68 °C

Molecular Formula

C6H4Cl2O

Molecular Weight

163.001

PSA

20.23000

Solubility

Solubility in water, g/100ml at 25 °C: 0.54 (poor)

Storage condition

0-6°C

Vapour density

Relative vapor density (air = 1): 5.6

Vapour Pressure

Vapor pressure, Pa at 25 °C: 1

Water Solubility

Slightly soluble in water. Very soluble in ethanol, ethyl ether and petroleum ether.

Spectrums of 591-35-5

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 591-35-5

Retrosynthesis analysis of 591-35-5

Q&A for CAS 591-35-5

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 591-35-5

Pictograms

Signal Word

Danger

Hazard Statements

H302 Harmful if swallowed
H311 Toxic in contact with skin
H312 Harmful in contact with skin
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H411 Toxic to aquatic life with long lasting effects

Safety Data Sheet

Download COA of 591-35-5

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

Operate under the ISO 9001 system