Janus Green B

Modify Date: 2025-08-20 10:56:59

Janus Green B structure	Common Name	Janus Green B
	CAS Number	2869-83-2	Molecular Weight	511.060
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₃₀H₃₁ClN₆	Melting Point	160 °C (dec.)(lit.)
	MSDS	USA	Flash Point	N/A

Use of Janus Green B

Janus green B is a supravital stain. Janus green B staining reaction is oxygen dependent, and is reversibly inhibited by cyanide. Janus green B has been used for staining peripheral nerves in live insects, lymphatic vessels of rabbits and mitochondria[1][2][3].

Name	Janus Green B chloride
Synonym	More Synonyms

Description	Janus green B is a supravital stain. Janus green B staining reaction is oxygen dependent, and is reversibly inhibited by cyanide. Janus green B has been used for staining peripheral nerves in live insects, lymphatic vessels of rabbits and mitochondria[1][2][3].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. LAZAROW A, et al. Studies on the enzymatic basis for the Janus green B staining reaction. J Histochem Cytochem. 1953 Jul;1(4):234-41. [2]. Yack JE. Janus Green B as a rapid, vital stain for peripheral nerves and chordotonal organs in insects. J Neurosci Methods. 1993 Aug;49(1-2):17-22. [3]. Lee BC, et al. Novel threadlike structures (Bonghan ducts) inside lymphatic vessels of rabbits visualized with a Janus Green B staining method. Anat Rec B New Anat. 2005 Sep;286(1):1-7.

Description

Related Catalog

Research Areas >> Others

Signaling Pathways >> Others >> Others

References

[1]. LAZAROW A, et al. Studies on the enzymatic basis for the Janus green B staining reaction. J Histochem Cytochem. 1953 Jul;1(4):234-41.

[2]. Yack JE. Janus Green B as a rapid, vital stain for peripheral nerves and chordotonal organs in insects. J Neurosci Methods. 1993 Aug;49(1-2):17-22.

[3]. Lee BC, et al. Novel threadlike structures (Bonghan ducts) inside lymphatic vessels of rabbits visualized with a Janus Green B staining method. Anat Rec B New Anat. 2005 Sep;286(1):1-7.

Melting Point	160 °C (dec.)(lit.)
Molecular Formula	C₃₀H₃₁ClN₆
Molecular Weight	511.060
Exact Mass	510.229858
PSA	47.97000
LogP	3.99630
Vapour Pressure	2.6 mm Hg ( 20 °C)
Water Solubility	H2O: 1 M hot, clear, colorless

Janus Green B MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SG1633000

CHEMICAL NAME :: Phenazinium, 3-(diethylamino)-7-((p-(dimethylamino)phenyl)azo)-5-p henyl-, chloride

CAS REGISTRY NUMBER :: 2869-83-2

LAST UPDATED :: 199701

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C30-H31-N6.Cl

MOLECULAR WEIGHT :: 511.12

WISWESSER LINE NOTATION :: T C666 BK INJ BR& ENUNR DN1&1& MN2&2 &G

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 960 mg/kg/13W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Rodent - hamster Ovary

DOSE/DURATION :: 20 umol/L/5H (Continuous)

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 1,27,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1535 No. of Facilities: 181 (estimated) No. of Industries: 5 No. of Occupations: 5 No. of Employees: 2102 (estimated) No. of Female Employees: 188 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	T: Toxic;
Risk Phrases	R60
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	SG1633000
HS Code	32041900

HS Code	32041900

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A method combining Janus green B and Thymol blue stains the anterior part of the head, the nuclear membrane, middle piece, and tail of spermatozoa light green and the nucleus deep purple. The method p...

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Janus Green B
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Janus Green B
Price: ￥118.0/1g ￥348.0/5g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Janus green B
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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

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