Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Uridine(58-96-8)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Product Identification

Product Name

Uridine

Synonyms

1-b-D-Ribofuranosyl-2,4(1H,3H)-pyrimidinedione
1-b-D-Ribofuranosyluracil
2,4(1H,3H)-pyrimidinedione-1
Arsenic acid (H3AsO4), lead salt
Arsinette
Lead(II) arsenate(III)
Schultenite

CAS

58-96-8

CAS

7645-25-2

Formula

As2O8Pb3

Formula

C9H12N2O6

Molecular Weight

899.44

Molecular Weight

244.2

EINECS

200-407-5

RTECS

CG1000000

RTECS

YR1450000

RTECS Class

Drug; Mutagen; Natural Product

RTECS Class

Agricultural Chemical and Pesticide; Human Data

Merck

12,10016

Beilstein/Gmelin

58968 (G)

Beilstein/Gmelin

754904

Beilstein Reference

5-24-06-00132

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Physical and Chemical Properties

Appearance

White powder.

Appearance

White, crystalline solid.

Solubility in water

Soluble

Solubility in water

Very soluble

Melting Point

166.5 - 168

Density

5.85 g/cm3 (23 C)

Density

0.98738 - 0.99879 g/cm3 (55 - 25 C)

pKa/pKb

8.81 (pKa)

Partition Coefficient

-2.28

Usage

Nitrogen base used in rna.

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First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

Ingestion

Seek medical assistance.

Inhalation

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Inhalation

Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.

Skin

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.

Skin

Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Eyes

See Skin.

Eyes

Immediately flush with running water for at least 20 minutes.

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Handling and Storage

Storage

Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.

Storage

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

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Hazards Identification

Inhalation

May cause respiratory tract irritation.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

May cause digestive tract disturbances.

Hazards

Containers may explode when heated.

UN (DOT)

1557

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Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear chemical goggles. Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. Wear appropriate protective clothing to prevent skin exposure.

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Respirators

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Exposure Effects

The toxological properties of this substance have not been fully investigated.

Exposure limit(s)

10 µg/m3 PEL

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Fire Fighting Measures

Fire Fighting

Small Fires: Dry chemical, carbon dioxide or water spray. Large Fires: Water spray, fog or regular foam.

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire.

Fire Potential

Combustible material: may burn but does not ignite readily.

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Accidental Release Measures

Small spills/leaks

Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.

Small spills/leaks

Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.

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Stability and Reactivity

Stability

No data.

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

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Transport Information

UN Number

1557

Hazard Class

6.1

Packing Group

I; II; III

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ContactMore

GPCSCI
WebSite
http://www.gpcsci.com/
Wuhu Nuowei Chemical Technology Co., Ltd
Tel
0553-8233716
WebSite
http://www.nuowei-chem.com
Shanghai Xianggeng Technology Development Co. Ltd.
Tel
021-021-56152668
Fax
18116300787
WebSite
http://www.sharingpharma.com/
Guizhou Dida Technology Co., Ltd
Tel
0851-8475-2296
Fax
0851-84752205
WebSite
https://www.hplc100.cn
Wuxi Jingyao Bio-Technology Co., Ltd.
Tel
0510-88770633
WebSite
http://www.jingyaobiotech.cn