Dangerous Goods
structure of 7440-38-2

Arsenic(CAS 7440-38-2)

CAS No.: 7440-38-2 Brand: MolBest
M. Ft.: As Cat. No: G8599498
M. Wt.: 74.92 MDL: MFCD00085309
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2804800000 UN No.: UN 1558 6.1 /PG II
Purity Grade Package Stock Price Quantity
99.999%(metals basis),1-3cm
Documents:COASDS
Ultra Pure 1G In Stock 15 USD
99.999%(metals basis),1-3cm
Documents:COASDS
Ultra Pure 5G In Stock 48 USD
99.999%(metals basis),1-3cm
Documents:COASDS
Ultra Pure 25G In Stock 83 USD
99.999%(metals basis),1-3cm
Documents:COASDS
Ultra Pure 100G In Stock 315 USD
99.999%(metals basis),1-3cm
Documents:COASDS
Ultra Pure 500G In Stock 1510 USD
99.999%(metals basis),1-3cm
Documents:COASDS
Ultra Pure 2.5KG In Stock 7248 USD
Bulk Packaging 125KG substantially lower unit cost than small-pack SKUs. Contact us for a fast quotation.
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 7440-38-2

Arsenic has several applications across different fields:

  • Pesticides and Herbicides: Historically used in agriculture as a pesticide.
  • Alloys: Added to lead to improve its hardness and durability.
  • Semiconductors: Used in the production of gallium arsenide, a key material in electronics and optoelectronics.
  • Medicine: Certain arsenic compounds are utilized in chemotherapy for treating specific types of leukemia.

Physical and chemical properties of 7440-38-2

Boiling Point

613 °C(lit.)

carcinogen classification

1 (Vol. 23, Sup 7, 100C) 2012

Density

5.727 g/mL at 25 °C(lit.)

Exact Mass

77.94510

Melting Point

817 °C(lit.)

Merck

13,802

Molecular Formula

AsH3

Molecular Weight

77.94540

Odor

Odourless

resistivity

33.3 μΩ-cm

Sensitivity

Air Sensitive

Stability

Stable. Incompatible with acids, oxidizing agents, halogens. Heat and air-sensitive.

Vapour Pressure

1Pa at 280℃

Water Solubility

insoluble

Retrosynthesis analysis of 7440-38-2


Q&A for CAS 7440-38-2

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 7440-38-2

Pictograms

Signal Word

Danger

Hazard Statements

H301+H331 Toxic if swallowed or if inhaled
H301 Toxic if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H331 Toxic if inhaled
H350 May cause cancer
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

Safety Data Sheet

Download COA of 7440-38-2

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

Operate under the ISO 9001 system