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Thermo Scientific Chemicals

Lawesson's Reagent, 97%

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Synonym(s): 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane, 4-Methoxyphenylthionophosphine sulfide dimer

Formula: C14H14O2P2S4

Formula weight: 404.47

Purity: 97%

CAS Number: 19172-47-5

UN Number: UN3134

Hazard Class: 4.3

Packing Group: III

Harmonized Tariff Code:  2934.99

Hazard Statements: H331-H261-H302-H315-H319-H335

Toxic if inhaled. In contact with water releases flammable gas. Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P231+P232-P261-P280-P305+P351+P338-P405-P501a

Handle under inert gas. Protect from moisture. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Risk Phrases: 15/29-20/22-36/37/38

Contact with water liberates toxic highly flammable gas. Harmful by inhalation and if swallowed. Irritating to eyes, respiratory system and skin.

Safety Phrases: 7/8-9-26-33-36/37-43

Keep container tightly closed and dry. Keep container in a well ventilated place. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Take precautionary measures against static discharges. Wear suitable protective clothing and gloves.

Form: Pale yellow crystalline powder

Melting point: 221-225°

Merck: 14,5391

EINECS: 242-855-4

MDL: MFCD00005171

Beilstein: 1024888

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Product Detail
Thomas No.
C964B43
Mfr. No.
A14530-06
Description
Lawesson's Reagent 5g UN3134
CAS Number
19172-47-5
Packaging Size
5 g
UN Number
UN3134
list price/quantitytotal
$0.00
Thomas No.
C964B44
Mfr. No.
A14530-14
Description
Lawesson's Reagent 25g UN3134
CAS Number
19172-47-5
Packaging Size
25 g
UN Number
UN3134
list price/quantitytotal
$0.00
Thomas No.
C964B45
Mfr. No.
A14530-22
Description
Lawesson's Reagent 100g UN3134
CAS Number
19172-47-5
Packaging Size
100 g
UN Number
UN3134
list price/quantitytotal
$0.00
Thomas No.
C964B46
Mfr. No.
A14530-36
Description
Lawesson's Reagent 500g UN3134
CAS Number
19172-47-5
Packaging Size
500 g
UN Number
UN3134
list price/quantitytotal
$0.00
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