Sodium hydroxide, Pellets, semiconductor grade, 99.99% trace

Name: Sodium hydroxide
Synonymn: ‘Caustic soda’
Description: Pellets, semiconductor grade, 99.99% trace metals basis

Container Type: Plastic Bottle

Molar Mass: 40.00 g/mol

Empirical Formula: HNaO
Linear Formula: NaOH

CAS Number: 1310-73-2
EC Number: 215-185-5
MDL Number: MFCD00003548
RTECS Number: WB4900000
UNSPSC Code: 12352316

SPECIFICATIONS

Appearance of the substance: complying
Assay: min. 95.0 %
Assay of Na₂CO₃: max. 1.0 %
Boron (B): max. 10 ppm
Cesium (Cs): max. 20 ppm
Potassium (K): max. 100 ppm
Lithium (Li): max. 10 ppm
Rubidium (Rb): max. 10 ppm



PHYSICAL PROPERTIES

Vapor Pressure: 3 mmHg ( 37 °C)
Form: pellets
Vapor Density: >1 (vs air)
Vapor Pressure: <18 mmHg ( 20 °C)
Boiling Point: 1,390 °C
Freezing Point: 319 °C
Density: 2.13 g/cm3



SAFETY INFORMATION

Hazard Class: 8
Package Group: II
UN ID: 1823
Signal Word: Danger

GHS Classification:
Corrosive (GHS05)

Hazard Statement(s):
May be corrosive to metals (H290)
Causes severe skin burns and eye damage (H314)

Precautionary Statement(s):
Keep only in original container (P234)
Do not breathe dust/fume/gas/mist/vapours/spray (P260)
Wash thoroughly after handling (P264)
Wear protective gloves/protective clothing/eye protection/face protection (P280)

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