NSC 204421

Modify Date: 2025-08-22 07:11:57

NSC 204421 structure	Common Name	NSC 204421
	CAS Number	132-66-1	Molecular Weight	291.30
	Density	1.355g/cm3	Boiling Point	450.8ºC at 760mmHg
	Molecular Formula	C₁₈H₁₃NO₃	Melting Point	185-190 °C
	MSDS	Chinese USA	Flash Point	226.4ºC

Use of NSC 204421

N-1-Naphthylphthalamic acid is a polar auxin transport inhibitor. N-1-Naphthylphthalamic acid disrupts leaf initiation, KNOX protein regulation, and formation of leaf margins in maize[1].

Name	naptalam
Synonym	More Synonyms

Description	N-1-Naphthylphthalamic acid is a polar auxin transport inhibitor. N-1-Naphthylphthalamic acid disrupts leaf initiation, KNOX protein regulation, and formation of leaf margins in maize[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Ihsan BurakCam, et al. Physical and chemical properties of cow cockle seeds (Vaccaria hispanica (Mill.) Rauschert) genetic resources of Turkey.

Density	1.355g/cm3
Boiling Point	450.8ºC at 760mmHg
Melting Point	185-190 °C
Molecular Formula	C₁₈H₁₃NO₃
Molecular Weight	291.30
Flash Point	226.4ºC
Exact Mass	291.09000
PSA	66.40000
LogP	3.86330
Vapour Pressure	6.51E-09mmHg at 25°C
Stability	Stable. Incompatible with strong oxidizing agents.

NSC 204421 MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TH7350000

CHEMICAL NAME :: Phthalamic acid, N-1-naphthyl-

CAS REGISTRY NUMBER :: 132-66-1

BEILSTEIN REFERENCE NO. :: 2814102

LAST UPDATED :: 199706

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C18-H13-N-O3

MOLECULAR WEIGHT :: 291.32

WISWESSER LINE NOTATION :: L66J BMVR BVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 8200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C215,1991

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2070 mg/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,613,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,613,1991 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989

Hazard Statements	H412
Precautionary Statements	P273
Personal Protective Equipment	Eyeshields;Gloves
Hazard Codes	Xn
Risk Phrases	R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Phrases	S26-S36/37/39
RIDADR	NONH for all modes of transport
RTECS	TH7350000
HS Code	2924299090

Phthalic anhydride

CAS#:85-44-9

1-Aminonaphthalene

CAS#:134-32-7

NSC 204421

CAS#:132-66-1

Literature: Chemische Berichte, , vol. 44, p. 1962

N-alpha-Naphthy...

CAS#:5333-99-3

NSC 204421

CAS#:132-66-1

Literature: Journal of Agricultural and Food Chemistry, , vol. 43, # 9 p. 2493 - 2496

PHTHALANILLIC ACID

CAS#:4727-29-1

1-Aminonaphthalene

CAS#:134-32-7

NSC 204421

CAS#:132-66-1

Literature: Journal of the American Chemical Society, , vol. 30, p. 1889

Precursor 4
CAS#:85-44-9 Phthalic anhydride CAS#:134-32-7 1-Aminonaphthalene CAS#:5333-99-3 N-alpha-Naphthy... CAS#:4727-29-1 PHTHALANILLIC ACID
DownStream 5
CAS#:38228-99-8 1,2-Benzenedica... CAS#:5333-99-3 N-alpha-Naphthy... CAS#:134-32-7 1-Aminonaphthalene CAS#:88-99-3 Phthalic acid
CAS#:7554-84-9 Phthalamic acid...

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Non-invasive quantification of endogenous root auxin transport using an integrated flux microsensor technique.

Plant J. 63(6) , 1004-16, (2010)

Indole-3-acetic acid (IAA) is a primary phytohormone that regulates multiple aspects of plant development. Because polar transport of IAA is an essential determinant of organogenesis and dynamic tropi...

Auxin modulates the enhanced development of root hairs in Arabidopsis thaliana (L.) Heynh. under elevated CO(2).

Plant Cell Environ. 34(8) , 1304-17, (2011)

Root hairs may play a critical role in nutrient acquisition of plants grown under elevated CO(2) . This study investigated how elevated CO(2) enhanced the development of root hairs in Arabidopsis thal...

Expression profile of PIN, AUX/LAX and PGP auxin transporter gene families in Sorghum bicolor under phytohormone and abiotic stress.

FEBS J. 277 , 2954-2969, (2010)

Auxin is transported by the influx carriers auxin resistant 1/like aux1 (AUX/LAX), and the efflux carriers pin-formed (PIN) and P-glycoprotein (PGP), which play a major role in polar auxin transport. ...

alanap

2-(naphthalen-1-ylcarbamoyl)benzoic acid

2-(1-Naphthylcarbamoyl)benzoic acid

NAPTRO

acp322

dyanap

solo

alanape

N-(1-Naphthyl)phthalamic Acid

MFCD00037725

N-1-naphthylphthalamic acid

cyanap

2-[(1-naphthalenylamino)carbonyl]benzoic acid

alanap1

2-[(1-naphthylamino)carbonyl]benzoic acid

N-(1-Naphthyl)phthalamidic acid

NAPTALAM

6q8

2-<(1-naphthalenylamino)carbonyl>benzoic acid

NPA

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China
Product Name: NSC 204421
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Purity: 98.0%
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