Ammonium chronate

Modify Date: 2025-08-25 14:42:30

Ammonium chronate structure	Common Name	Ammonium chronate
	CAS Number	7788-98-9	Molecular Weight	152.07100
	Density	1.91 g/mL at 25 °C(lit.)	Boiling Point	N/A
	Molecular Formula	CrH₈N₂O₄	Melting Point	180°C (dec.)
	MSDS	Chinese USA	Flash Point	N/A
	Symbol	GHS03, GHS05, GHS08, GHS09	Signal Word	Danger

Name	Ammonium chromate
Synonym	More Synonyms

Density	1.91 g/mL at 25 °C(lit.)
Melting Point	180°C (dec.)
Molecular Formula	CrH₈N₂O₄
Molecular Weight	152.07100
Exact Mass	151.98900
PSA	81.08000
LogP	0.05660

Ammonium chronate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GB2880000

CHEMICAL NAME :: Chromic acid, diammonium salt

CAS REGISTRY NUMBER :: 7788-98-9

LAST UPDATED :: 199712

DATA ITEMS CITED :: 13

MOLECULAR FORMULA :: Cr-O4.2H4-N

MOLECULAR WEIGHT :: 152.10

WISWESSER LINE NOTATION :: .Z&2.CR-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: DNA repair

TEST SYSTEM :: Bacteria - Escherichia coli

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 133,161,1984 *** REVIEWS *** ACGIH TLV-TWA 0.05 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Confirmed human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Cr)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,35,1971 OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81703 No. of Facilities: 336 (estimated) No. of Industries: 5 No. of Occupations: 6 No. of Employees: 1603 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81703 No. of Facilities: 31 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 2769 (estimated) No. of Female Employees: 349 (estimated)

Symbol	GHS03, GHS05, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H272-H314-H317-H334-H350i-H410
Precautionary Statements	P201-P220-P261-P273-P280-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	O,T,N
Risk Phrases	R49
Safety Phrases	S53-S17-S45-S60-S61
RIDADR	UN 1479 5.1/PG 2
WGK Germany	3
RTECS	GB2880000
Packaging Group	III
Hazard Class	5.1

Nakamura, H.

Bull. Chem. Soc. Jpn. 68 , 997, (1995)

EINECS 232-138-4

ammonium chromate

MFCD00015958

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Ammonium chronate
Price: Check
Purity: 99.5%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Ammonium chronate
Price: ￥128.0/500g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Ammonium chromate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: AMMONIUM CHROMATE
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Ammonium chronate

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CHEMICAL IDENTIFICATION

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