diff --git a/web/cashtab/src/components/Common/Ticker.js b/web/cashtab/src/components/Common/Ticker.js
--- a/web/cashtab/src/components/Common/Ticker.js
+++ b/web/cashtab/src/components/Common/Ticker.js
@@ -11,7 +11,7 @@
     prefixes: ['bitcoincash', 'ecash'],
     coingeckoId: 'bitcoin-cash-abc-2',
     defaultFee: 5.01,
-    dust: 0.00001, // The minimum amount of BCHA that can be sent by the app
+    dust: '0.00000546', // The minimum amount of BCHA that can be sent by the app
     blockExplorerUrl: 'https://explorer.bitcoinabc.org',
     blockExplorerUrlTestnet: 'https://texplorer.bitcoinabc.org',
     tokenName: 'Bitcoin ABC SLP',
diff --git a/web/cashtab/src/components/Send/Send.js b/web/cashtab/src/components/Send/Send.js
--- a/web/cashtab/src/components/Send/Send.js
+++ b/web/cashtab/src/components/Send/Send.js
@@ -4,6 +4,7 @@
 import { Form, notification, message, Spin, Modal, Alert } from 'antd';
 import { CashLoader, CashLoadingIcon } from '@components/Common/CustomIcons';
 import { Row, Col } from 'antd';
+import BigNumber from 'bignumber.js';
 import Paragraph from 'antd/lib/typography/Paragraph';
 import PrimaryButton, {
     SecondaryButton,
@@ -344,7 +345,7 @@
             error = 'Amount must be a number';
         } else if (bchValue <= 0) {
             error = 'Amount must be greater than 0';
-        } else if (bchValue < currency.dust) {
+        } else if (new BigNumber(bchValue).lt(new BigNumber(currency.dust))) {
             error = `Send amount must be at least ${currency.dust} ${currency.ticker}`;
         } else if (bchValue > balances.totalBalance) {
             error = `Amount cannot exceed your ${currency.ticker} balance`;
diff --git a/web/cashtab/src/hooks/__tests__/useBCH.test.js b/web/cashtab/src/hooks/__tests__/useBCH.test.js
--- a/web/cashtab/src/hooks/__tests__/useBCH.test.js
+++ b/web/cashtab/src/hooks/__tests__/useBCH.test.js
@@ -150,6 +150,25 @@
         expect(nullValuesSendBch).toBe(null);
     });
 
+    it('Throws error on attempt to send less than dust limit', async () => {
+        const { sendBch } = useBCH();
+        const BCH = new BCHJS();
+        const { expectedTxId, utxos, wallet, addresses } = sendBCHMock;
+        BCH.RawTransactions.sendRawTransaction = jest
+            .fn()
+            .mockResolvedValue(expectedTxId);
+        const failedSendBch = sendBch(BCH, wallet, utxos, {
+            addresses,
+            values: ['0.00000545'],
+        });
+        expect(failedSendBch).rejects.toThrow(new Error('dust'));
+        const nullValuesSendBch = await sendBch(BCH, wallet, utxos, {
+            addresses,
+            values: null,
+        });
+        expect(nullValuesSendBch).toBe(null);
+    });
+
     it('receives errors from the network and parses it', async () => {
         const { sendBch } = useBCH();
         const BCH = new BCHJS();
diff --git a/web/cashtab/src/hooks/useBCH.js b/web/cashtab/src/hooks/useBCH.js
--- a/web/cashtab/src/hooks/useBCH.js
+++ b/web/cashtab/src/hooks/useBCH.js
@@ -425,6 +425,9 @@
                 (previous, current) => new BigNumber(current).plus(previous),
                 new BigNumber(0),
             );
+            if (value.lt(new BigNumber(currency.dust))) {
+                throw new Error('dust');
+            }
             const REMAINDER_ADDR = wallet.Path1899.cashAddress;
             const inputUtxos = [];
             let transactionBuilder;