Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-NITRO-o-TOLUENEDIAZONIUM TETRAFLUOROBORATE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-NITRO-o-TOLUENEDIAZONIUM TETRAFLUOROBORATE
Price: ￥1488.0/5g ￥458.0/1g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-NITRO-o-TOLUENEDIAZONIUM TETRAFLUOROBORATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

455-90-3

455-90-3 structure

455-90-3 structure

Name: 4-NITRO-o-TOLUENEDIAZONIUM TETRAFLUOROBORATE
Chemical Name: 2-methyl-4-nitrobenzenediazonium tetrafluoroborate
CAS Number: 455-90-3
Molecular Formula: C₇H₆BF₄N₃O₂
Molecular Weight: 250.94600
Catalog: Dyes and pigments dye Ice dye (chromogenic dye)
Create Date: 2018-09-08 23:01:08
Modify Date: 2025-08-28 10:59:25

Name	2-methyl-4-nitrobenzenediazonium tetrafluoroborate
Synonyms	4-nitro-o-toluenediazoniutetrafluoroborate(1-) diazolreds 2-methyl-4-nitro-benzenediazoniutetrafluoroborate(1-) diazolered4s 4-nitro-o-toluenediazoniumtetrafluoroborate Fast Red RL salt 2-Methyl-4-nitrobenzenediazonium tetrafluoroborate FAST RED RL SALT 5-nitrotoluene-2-diazonium tetrafluoroborate

Molecular Formula	C₇H₆BF₄N₃O₂
Molecular Weight	250.94600
Exact Mass	251.04900
PSA	73.97000
LogP	4.21098
Storage condition	−20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XT0565000

CHEMICAL NAME :: o-Toluenediazonium, 4-nitro-, tetrafluoroborate(1-)

CAS REGISTRY NUMBER :: 455-90-3

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C7-H6-N3-O2.B-F4

MOLECULAR WEIGHT :: 250.97

WISWESSER LINE NOTATION :: WNR C1 DNN &.B-F4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Microorganism - not otherwise specified

DOSE/DURATION :: 400 ppm/2H (Continuous)

REFERENCE :: SOGEBZ Soviet Genetics. English translation of GNKAA5. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) V.2- 1966- Volume(issue)/page/year: 4,1466,1968

Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	26-37/39
WGK Germany	3
RTECS	XT0565000

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