다이크로뮴산나트륨

Na₂Cr₂O₇

IUPAC: Sodium dichromate

CAS: 10588-01-9

개요

Sodium dichromate is an important industrial chemical used primarily in the production of chromium compounds and in metal finishing. It is a powerful oxidizer containing hexavalent chromium, which makes it effective but also highly toxic and carcinogenic.

구성

원소 기호 원자 원자 질량
산소 O 7 15.9990
나트륨 Na 2 22.9900
크로뮴 Cr 2 51.9960

원소 구성

O
산소 ×7
42.8%
Na
나트륨 ×2
17.6%
Cr
크로뮴 ×2
39.7%

용도

  • • Chrome plating
  • • Wood preservation (CCA treatment)
  • • Corrosion inhibitor
  • • Pigment production

흥미로운 사실

  • ✦ CCA (chromated copper arsenate) treated wood has been phased out for residential use but is still used for industrial purposes

안전

  • ⚠ Known carcinogen (hexavalent chromium)
  • ⚠ Highly toxic
  • ⚠ Strong oxidizer
  • ⚠ Environmental contaminant

구조

SMILES

[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[Na+].[Na+]

성질

유형
salt
상태
solid
몰 질량
261.97 g/mol
밀도
2.5200 g/cm³
녹는점
356.7 °C
끓는점
400.0 °C
용해도
730 g/L at 20°C

분자 기술자

정확 질량
261.8250
TPSA
124.0 Ų
수소결합 주개
0
수소결합 받개
7
회전 가능 결합
0
중원자
11
복잡도
194.0

다른 이름

Sodium bichromate

관련 화합물

염화은

AgCl

질산은

AgNO₃

염화바륨

BaCl₂

염화칼륨

KCl

인산칼슘

Ca₃(PO₄)₂

질산칼륨

KNO₃

탄산리튬

Li₂CO₃

탄산바륨

BaCO₃

탄산칼륨

K₂CO₃

탄산칼슘

CaCO₃

Frequently Asked Questions

What is 다이크로뮴산나트륨?
다이크로뮴산나트륨 (Na₂Cr₂O₇) is a salt compound with the IUPAC name Sodium dichromate.
What is the molecular weight of 다이크로뮴산나트륨?
다이크로뮴산나트륨 has a molar mass of 261.968 g/mol.
What state is 다이크로뮴산나트륨 at room temperature?
다이크로뮴산나트륨 is a solid at room temperature.
Is 다이크로뮴산나트륨 organic or inorganic?
다이크로뮴산나트륨 is classified as an inorganic compound.
What elements make up 다이크로뮴산나트륨?
다이크로뮴산나트륨 (Na₂Cr₂O₇) is composed of 산소 (O), 나트륨 (Na), 크로뮴 (Cr).