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40304 Aldrich

Hydrochloric acid

semiconductor grade VLSI PURANAL (Honeywell 17610), fuming 37%

  • CAS Number 7647-01-0

  • Empirical Formula (Hill Notation) HCl

  • Molecular Weight 36.46

  •  Beilstein Registry Number 1098214

  •  EC Number 231-595-7

  •  MDL number MFCD00011324

  •  PubChem Substance ID 57649976

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Properties

Related Categories Acids, Acids & Bases, Chemical Synthesis, Electronic Chemicals, Inorganic Acids,
grade   semiconductor grade VLSI PURANAL (Honeywell 17610)
vapor density   1.3 (vs air)
vapor pressure   3.23 psi ( 21.1 °C)
  7.93 psi ( 37.7 °C)
InChI Key   VEXZGXHMUGYJMC-UHFFFAOYSA-N
CofA   specification on request
concentration   30-50%
color   light yellow
bp   >100 °C(lit.)
density   1.2 g/mL at 25 °C(lit.)

Description

Application

Hydrochloric acid may be used in the formulation of “standard cleaning bath” to purify metallurgical grade silicon (MGS) and polysilicon. Varying concentrations of the acid aided formation of spherical and rod like cellulose nanocrystals. Aqueous mixture of hydrochloric acid and Α-hydroxy acids (lactic, citric, malic, and tartaric acids) may be used to etch a III-V semiconductor (InP).

General description

Semiconductor grade hydrochloric acid has been characterized by inductively couple plasma mass spectrometry (ICP-MS). The trace detection of V, Cr, As and Se in 20% HCl was determined in the study. Its efficiency as a microabrasive was studied.

Legal Information

PURANAL is a trademark of Honeywell Specialty Chemicals Seelze GmbH

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 1789 8 / PGII
WGK Germany 
1
RTECS 
MW4025000
Protocols & Articles

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