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GET ADDITIONAL DATA HERE!

sodium p-nitrophenolate
** para-nitro sodium phenolate ** Na pNP ** sodium 4-nitrophenolate ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for sodium p-nitrophenolate

Description: Plant growth stimulator for use on a wide range of food and ornamental crops

Example pests controlled: -

Example applications: Oilseed rape; Tomato; Sugarbeet

Efficacy & activity: -

Availability status: Current

Introduction & key dates: -

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Netherlands/Greece
Date inclusion expires 31/10/2022
EU Candidate for substitution (CfS) No
Listed in EU database Yes

Approved for use () or known to be used () in the following European countries: Click to access a note on the approvals information on this site

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C6H4NNaO3
Canonical SMILES C1=CC(=CC=C1[N+](=O)[O-])[O-].[Na+]
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) CURNJKLCYZZBNJ-UHFFFAOYSA-M
International Chemical Identifier (InChI) InChI=1S/C6H5NO3.Na/c8-6-3-1-5(2-4-6)7(9)10;/h1-4,8H;/q;+1/p-1
2D structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Plant growth regulator
Substance group Sodium nitrocompound
Minimum active substance purity 998 g/kg
Known relevant impurities EU dossier - phenol, 2,4-dinitrophenol & 2,6-dinitrophenol
Substance origin Synthetic
Mode of action Absorbed through leaves and translocated through out plant
CAS RN 824-78-2
EC number 212-536-4
CIPAC number 721
US EPA chemical code 129077
PubChem CID 13214
Molecular mass (g mol-1) 161.09
PIN (Preferred Identification Name) -
IUPAC name sodium p-nitrophenolate
CAS name sodium p-nitrophenolate
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state Yellow crystalline powder
Related substances & organisms -

Formulations:
Property Click here for information on the general product and branding information used on this site Value
Example manufacturers & suppliers of products using this active now or historically -
Example products using this active
  • Atonik
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details -


ENVIRONMENTAL FATE

for sodium p-nitrophenolate

Property Click here for information on the parameters used to describe environmental fate on this site Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with fate data Interpretation Click here for information on the way in which we interpret environmental fate data
Solubility - In water at 20oC (mg l-1) 13900 A5 High
Solubility - In organic solvents at 20oC (mg l-1) 0.094 A5 - n-Heptane -
1.0 A5 - Xylene -
2400 A5 - Acetone -
181000 A5 - Methanol -
Melting point (oC) Decomposes before melting A5 -
Boiling point (oC) Decomposes before boiling A5 -
Degradation point (oC) 175 A5 -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 1.91 X 1001 Calculated -
Log P 1.28 A5 Low
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC 7.16 A5 -
Note: Weak acid
Vapour pressure at 20oC (mPa) 1.33 X 10-02 A5 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 5.55 X 10-04 A5 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 0.13 Calculated Low leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Click here for a note on the limitations of the SCI-GROW index Value 4.43 X 10-04 Calculated -
Note -
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - Calculated Low
Maximum UV-vis absorption L mol-1 cm-1 Neutral solution: 226nm = 6551, 320nm = 6683, 399nm = 7227; [Acidic solution: 207nm = 5173; [Basic solution: 229nm = 5568 A5 -
Surface tension (mN m-1) 73.31 A5 at 20oC, 1 g l-1 -

Degradation:
Property Click here for information on the parameters used to describe substance degradation Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with degradation data Interpretation Click here for information on the way in which we interpret substance degradation data
General biodegradability -
Soil degradation (days) (aerobic) DT50 (typical) 1.23 A5 Non-persistent
DT50 (lab at 20oC) 1.23 A5 Non-persistent
DT50 (field) - - -
DT90 (lab at 20oC) 5.5 A5 -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note EU dossier lab studies DT50 range 0.6-2.2 days, DT90 range 1.9-11.0 days
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value 3 A5 Moderately fast
Note Data for continuous irradiation and equivalent to a DT50 of 6 summer days at 30 deg N
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 -
Note Stable at pH 4 to pH 9 at 50 degC, 5days
Water-sediment DT50 (days) 3.6 A5 Fast
Water phase only DT50 (days) 2.7 A5 Moderately fast

Soil adsorption and mobility:
Property Click here for information on the parameters used to describe substance adsorption and mobility Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretation Click here for information on the way in which we interpret substance adsorption and mobility
Linear Kd - - -
Koc -
Notes and range -
Freundlich Kf 5.48 A5 Moderately mobile
Kfoc 335
1/n 0.917
Notes and range EU dossier Kf range 2.68-8.03 mL/g, Kfoc range 123-602 mL/g, 1/n range 0.84-1.00, Soils=4
pH sensitivity No


ECOTOXICOLOGY

for sodium p-nitrophenolate

Property Click here for information on the parameters used to describe substance ecotoxicology Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretation Click here for information on the way in which we interpret substance ecotoxicology
Bio-concentration factor BCF (l kg-1) Low risk A5 Based on LogP < 3 Low potential
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) 345.5 A5 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 1670 A5 Colinus virginianus Moderate
Birds - Short term dietary (LC50/LD50) > 1412 mg kg bw-1 day-1 A5 Colinus virginianus -
Fish - Acute 96 hour LC50 (mg l-1) 25.0 A5 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) 12.5 A5 Oncorhynchus mykiss Low
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 27.7 A5 Daphnia magna Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) - - -
Non-target plants > 5.0 A5 Range of species
Vegetative vigour, ER50
as L product/ha (Atonik: conc 3 g/L)
-
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 2.5 A5 Scenedemus subspicatus Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees (Apis spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) 111 A5 Low
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) 61.2 A5 Moderate
Unknown mode acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Bumblebees (Bombus spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Mason bees (Osmia spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Other pollinators (1) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Other pollinators (2) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Earthworms - Acute 14 day LC50 (mg kg-1) > 43.4 A5 Moderate
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect - - -
Other arthropod (2) LR50 g ha-1 - - -
% Effect - - -
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: No significant adverse effect
A5
Dose: 4.0mg product/kg soil, 28 days
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for sodium p-nitrophenolate

General:
Property Click here for information on the parameters used to describe human health and protection issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with human health and protection data Interpretation Click here for information on the way in which we interpret human health and protection data
Threshold of Toxicological Concern (Cramer Class) Click here for a note on the limitations of the Cramer class High (class III) - -
Mammals - Acute oral LD50 (mg kg-1) 345.5 A5 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rabbit -
Mammals - Inhalation LC50 (mg l-1) > 1.2 A5 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.03 A5 Dog, SF=100 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.045 A5 Rabbit, SF=100 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.007 A5 Dog, SF=100 -
Dermal penetration studies (%) 100 A3 default -
Dangerous Substances Directive 76/464 - - -
Exposure Routes Public Acceptable risk for bystanders
Occupational Acceptable risk for operators with PPC
Acceptable risk for other workers
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Genotoxic Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

A3; B3; C3; D0; E0

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

-

General human health issues No further information available
Key: Genotoxicity
A: Chromosome aberration (EFSA database)
B: DNA damage/repair (EFSA database)
C: Gene mutation (EFSA database)
D: Genome mutation (EFSA database)
E: Unspecified genotoxicity type (miscellaneous data source)
0: No data
1: Positive
2: Mixed/ambiguous results
3: Negative
Key: Other
: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found

Handling issues:
Property Click here for information on the parameters used to describe substance handling issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with data on handling issues Interpretation Click here for information on the way in which we interpret data on handling issues
General Click here for a description of the International Maritime Dangerous Goods (IMDG) codes Potential explosive
CLP classification 2013 Health: H302, H312, H228, H336
Environment: H411
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R22
Xi - Irritant: R36
EC Safety Classification Click here to view information omn the EU safety phrases -
WHO Classification NL - Not listed
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for sodium p-nitrophenolate

Language Name
English sodium p-nitrophenolate
French 4-nitrophénolate de sodium
German Natrium-4-nitrophenolat
Danish -
Italian -
Spanish 4-nitrofenolato de sodio
Greek -
Slovenian -
Polish p-nitrofenolan sodu
Swedish -
Hungarian -
Dutch -

Record last updated: Saturday 29 June 2019
Contact: aeru@herts.ac.uk